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102401202111312 = 24313271177794681
BaseRepresentation
bin10111010010001000100011…
…010001101100001101010000
3111102120110101211201022221210
4113102020203101230031100
5101410220130220030222
61001442243545220120
730366146151262116
oct2722104321541520
9442513354638853
10102401202111312
112a6a0118aa8385
12b59a057491640
13451a51309bb00
141b4035d383ab6
15bc8a5499bd0c
hex5d222346c350

102401202111312 has 120 divisors (see below), whose sum is σ = 290485218523968. Its totient is φ = 31064286489600.

The previous prime is 102401202111301. The next prime is 102401202111413. The reversal of 102401202111312 is 213111202104201.

It is a super-2 number, since 2×1024012021113122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88321389 + ... + 89473292.

Almost surely, 2102401202111312 is an apocalyptic number.

102401202111312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102401202111312 is an abundant number, since it is smaller than the sum of its proper divisors (188084016412656).

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

102401202111312 is a wasteful number, since it uses less digits than its factorization.

102401202111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177794789 (or 177794770 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 102401202111312 its reverse (213111202104201), we get a palindrome (315512404215513).

The spelling of 102401202111312 in words is "one hundred two trillion, four hundred one billion, two hundred two million, one hundred eleven thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 71 78 104 142 156 169 208 213 284 312 338 426 507 568 624 676 852 923 1014 1136 1352 1704 1846 2028 2704 2769 3408 3692 4056 5538 7384 8112 11076 11999 14768 22152 23998 35997 44304 47996 71994 95992 143988 191984 287976 575952 177794681 355589362 533384043 711178724 1066768086 1422357448 2133536172 2311330853 2844714896 4267072344 4622661706 6933992559 8534144688 9245323412 12623422351 13867985118 18490646824 25246844702 27735970236 30047301089 36981293648 37870267053 50493689404 55471940472 60094602178 75740534106 90141903267 100987378808 110943880944 120189204356 151481068212 164104490563 180283806534 201974757616 240378408712 302962136424 328208981126 360567613068 480756817424 492313471689 605924272848 656417962252 721135226136 984626943378 1312835924504 1442270452272 1969253886756 2133358377319 2625671849008 3938507773512 4266716754638 6400075131957 7877015547024 8533433509276 12800150263914 17066867018552 25600300527828 34133734037104 51200601055656 102401202111312