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102412431314040 = 233529131224647783
BaseRepresentation
bin10111010010010011000000…
…100101101100110001111000
3111102121112101102102221020010
4113102103000211230301320
5101410411124404022130
61001451342122101520
730400024343030361
oct2722230045546170
9442545342387203
10102412431314040
112a6a4960654611
12b5a027004a8a0
13451b5b2636873
141b40b06878b68
15bc8eb07130b0
hex5d24c096cc78

102412431314040 has 128 divisors (see below), whose sum is σ = 320257880870400. Its totient is φ = 26166973647360.

The previous prime is 102412431314021. The next prime is 102412431314059. The reversal of 102412431314040 is 40413134214201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102412431314021) and next prime (102412431314059).

It is a super-2 number, since 2×1024124313140402 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 102412431313989 and 102412431314007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111868012 + ... + 112779771.

It is an arithmetic number, because the mean of its divisors is an integer number (2502014694300).

Almost surely, 2102412431314040 is an apocalyptic number.

102412431314040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102412431314040 is an abundant number, since it is smaller than the sum of its proper divisors (217845449556360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102412431314040 is a wasteful number, since it uses less digits than its factorization.

102412431314040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224647957 (or 224647953 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 102412431314040 its reverse (40413134214201), we get a palindrome (142825565528241).

The spelling of 102412431314040 in words is "one hundred two trillion, four hundred twelve billion, four hundred thirty-one million, three hundred fourteen thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 29 30 40 58 60 87 116 120 131 145 174 232 262 290 348 393 435 524 580 655 696 786 870 1048 1160 1310 1572 1740 1965 2620 3144 3480 3799 3930 5240 7598 7860 11397 15196 15720 18995 22794 30392 37990 45588 56985 75980 91176 113970 151960 227940 455880 224647783 449295566 673943349 898591132 1123238915 1347886698 1797182264 2246477830 2695773396 3369716745 4492955660 5391546792 6514785707 6739433490 8985911320 13029571414 13478866980 19544357121 26059142828 26957733960 29428859573 32573928535 39088714242 52118285656 58857719146 65147857070 78177428484 88286578719 97721785605 117715438292 130295714140 147144297865 156354856968 176573157438 195443571210 235430876584 260591428280 294288595730 353146314876 390887142420 441432893595 588577191460 706292629752 781774284840 853436927617 882865787190 1177154382920 1706873855234 1765731574380 2560310782851 3413747710468 3531463148760 4267184638085 5120621565702 6827495420936 8534369276170 10241243131404 12801553914255 17068738552340 20482486262808 25603107828510 34137477104680 51206215657020 102412431314040