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12408106456 = 232635897389
BaseRepresentation
bin10111000111001010…
…01010110111011000
31012000202001010011101
423203211022313120
5200402433401311
65411124441144
7616325110324
oct134345126730
935022033141
1012408106456
115298064039
1224a35491b4
131229883b35
14859cd2984
154c94d5ec1
hex2e394add8

12408106456 has 16 divisors (see below), whose sum is σ = 23353664400. Its totient is φ = 6180462624.

The previous prime is 12408106433. The next prime is 12408106457. The reversal of 12408106456 is 65460180421.

It is a super-2 number, since 2×124081064562 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12408106457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2946591 + ... + 2950798.

It is an arithmetic number, because the mean of its divisors is an integer number (1459604025).

Almost surely, 212408106456 is an apocalyptic number.

It is an amenable number.

12408106456 is a deficient number, since it is larger than the sum of its proper divisors (10945557944).

12408106456 is a wasteful number, since it uses less digits than its factorization.

12408106456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897658 (or 5897654 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

Adding to 12408106456 its reverse (65460180421), we get a palindrome (77868286877).

The spelling of 12408106456 in words is "twelve billion, four hundred eight million, one hundred six thousand, four hundred fifty-six".

Divisors: 1 2 4 8 263 526 1052 2104 5897389 11794778 23589556 47179112 1551013307 3102026614 6204053228 12408106456