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1302030123320 = 235316117213513
BaseRepresentation
bin10010111100100111000…
…010110000000100111000
311121110202201101101212202
4102330213002300010320
5132313024202421240
62434051104125332
7163032343304303
oct22744702600470
94543681341782
101302030123320
11462208073963
12190413306848
1395a1c88a944
1447039045b3a
1523d07288315
hex12f270b0138

1302030123320 has 64 divisors (see below), whose sum is σ = 3073645059840. Its totient is φ = 495749145600.

The previous prime is 1302030123319. The next prime is 1302030123337. The reversal of 1302030123320 is 233210302031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1302030123292 and 1302030123301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8531117 + ... + 8682396.

It is an arithmetic number, because the mean of its divisors is an integer number (48025704060).

Almost surely, 21302030123320 is an apocalyptic number.

1302030123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302030123320 is an abundant number, since it is smaller than the sum of its proper divisors (1771614936520).

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

1302030123320 is a wasteful number, since it uses less digits than its factorization.

1302030123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17213616 (or 17213612 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1302030123320 its reverse (233210302031), we get a palindrome (1535240425351).

The spelling of 1302030123320 in words is "one trillion, three hundred two billion, thirty million, one hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 61 62 122 124 155 244 248 305 310 488 610 620 1220 1240 1891 2440 3782 7564 9455 15128 18910 37820 75640 17213513 34427026 68854052 86067565 137708104 172135130 344270260 533618903 688540520 1050024293 1067237806 2100048586 2134475612 2668094515 4200097172 4268951224 5250121465 5336189030 8400194344 10500242930 10672378060 21000485860 21344756120 32550753083 42000971720 65101506166 130203012332 162753765415 260406024664 325507530830 651015061660 1302030123320