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12431225612 = 22132131229613
BaseRepresentation
bin10111001001111010…
…10111001100001100
31012002100112200200102
423210331113030030
5200424343204422
65413312150232
7620025450161
oct134475271414
935070480612
1012431225612
1152aa114883
1224ab238378
1312315b9c00
1485cdd0068
154cb551192
hex2e4f5730c

12431225612 has 72 divisors (see below), whose sum is σ = 23879172240. Its totient is φ = 5659580160.

The previous prime is 12431225603. The next prime is 12431225621. The reversal of 12431225612 is 21652213421.

It is an interprime number because it is at equal distance from previous prime (12431225603) and next prime (12431225621).

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, 20279018 + ... + 20279630.

It is an arithmetic number, because the mean of its divisors is an integer number (331655170).

Almost surely, 212431225612 is an apocalyptic number.

It is an amenable number.

12431225612 is a deficient number, since it is larger than the sum of its proper divisors (11447946628).

12431225612 is a wasteful number, since it uses less digits than its factorization.

12431225612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 988 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The spelling of 12431225612 in words is "twelve billion, four hundred thirty-one million, two hundred twenty-five thousand, six hundred twelve".

Divisors: 1 2 4 13 26 52 131 169 229 262 338 458 524 613 676 916 1226 1703 2452 2977 3406 5954 6812 7969 11908 15938 22139 29999 31876 38701 44278 59998 77402 80303 88556 103597 119996 140377 154804 160606 207194 280754 321212 389987 414388 561508 779974 1043939 1559948 1824901 2087878 3649802 4175756 5069831 7299604 10139662 13571207 18389387 20279324 23723713 27142414 36778774 47447426 54284828 73557548 94894852 239062031 478124062 956248124 3107806403 6215612806 12431225612