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12431403104 = 25388481347
BaseRepresentation
bin10111001001111100…
…00010100001100000
31012002100212201011012
423210332002201200
5200424414344404
65413320040052
7620030116511
oct134476024140
935070781135
1012431403104
1152aa22616a
1224ab303028
13123164c933
1485d038a08
154cb588a6e
hex2e4f82860

12431403104 has 12 divisors (see below), whose sum is σ = 24474324924. Its totient is φ = 6215701536.

The previous prime is 12431403091. The next prime is 12431403137. The reversal of 12431403104 is 40130413421.

It is a self number, because there is not a number n which added to its sum of digits gives 12431403104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194240642 + ... + 194240705.

It is an arithmetic number, because the mean of its divisors is an integer number (2039527077).

Almost surely, 212431403104 is an apocalyptic number.

It is an amenable number.

12431403104 is a deficient number, since it is larger than the sum of its proper divisors (12042921820).

12431403104 is an equidigital number, since it uses as much as digits as its factorization.

12431403104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388481357 (or 388481349 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12431403104 its reverse (40130413421), we get a palindrome (52561816525).

The spelling of 12431403104 in words is "twelve billion, four hundred thirty-one million, four hundred three thousand, one hundred four".

Divisors: 1 2 4 8 16 32 388481347 776962694 1553925388 3107850776 6215701552 12431403104