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10129306812 = 2232321595669
BaseRepresentation
bin10010110111100000…
…01111010010111100
3222010221002002201120
421123300033102330
5131221100304222
64353042110540
7506004454512
oct113360172274
928127062646
1010129306812
114328803149
121b6834b450
13c55722591
146c13c24b2
153e440115c
hex25bc0f4bc

10129306812 has 36 divisors (see below), whose sum is σ = 24707354280. Its totient is φ = 3229632032.

The previous prime is 10129306799. The next prime is 10129306897. The reversal of 10129306812 is 21860392101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 791487 + ... + 804182.

Almost surely, 210129306812 is an apocalyptic number.

10129306812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10129306812 is an abundant number, since it is smaller than the sum of its proper divisors (14578047468).

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

10129306812 is a wasteful number, since it uses less digits than its factorization.

10129306812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595722 (or 1595697 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

Adding to 10129306812 its reverse (21860392101), we get a palindrome (31989698913).

The spelling of 10129306812 in words is "ten billion, one hundred twenty-nine million, three hundred six thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 529 1058 1587 2116 3174 6348 1595669 3191338 4787007 6382676 9574014 19148028 36700387 73400774 110101161 146801548 220202322 440404644 844108901 1688217802 2532326703 3376435604 5064653406 10129306812