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1310121102312 = 2332116472556713
BaseRepresentation
bin10011000100001001010…
…011011000101111101000
311122020122120222201111100
4103010021103120233220
5132431112000233222
62441510014001400
7163440010425321
oct23041123305750
94566576881440
101310121102312
1146568a231160
12191ab0aa6260
139670bc06489
14475a5833448
152412c7554ac
hex131094d8be8

1310121102312 has 96 divisors (see below), whose sum is σ = 3876796572480. Its totient is φ = 396392628480.

The previous prime is 1310121102289. The next prime is 1310121102371. The reversal of 1310121102312 is 2132011210131.

1310121102312 is a `hidden beast` number, since 1 + 310 + 12 + 110 + 231 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 765933 + ... + 1790780.

It is an arithmetic number, because the mean of its divisors is an integer number (40383297630).

Almost surely, 21310121102312 is an apocalyptic number.

1310121102312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1310121102312 is an abundant number, since it is smaller than the sum of its proper divisors (2566675470168).

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

1310121102312 is a wasteful number, since it uses less digits than its factorization.

1310121102312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557383 (or 2557376 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1310121102312 its reverse (2132011210131), we get a palindrome (3442132312443).

The spelling of 1310121102312 in words is "one trillion, three hundred ten billion, one hundred twenty-one million, one hundred two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 647 792 1294 1941 2588 3882 5176 5823 7117 7764 11646 14234 15528 21351 23292 28468 42702 46584 56936 64053 85404 128106 170808 256212 512424 2556713 5113426 7670139 10226852 15340278 20453704 23010417 28123843 30680556 46020834 56247686 61361112 84371529 92041668 112495372 168743058 184083336 224990744 253114587 337486116 506229174 674972232 1012458348 1654193311 2024916696 3308386622 4962579933 6616773244 9925159866 13233546488 14887739799 18196126421 19850319732 29775479598 36392252842 39700639464 54588379263 59550959196 72784505684 109176758526 119101918392 145569011368 163765137789 218353517052 327530275578 436707034104 655060551156 1310121102312