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12620238116 = 2217210917161
BaseRepresentation
bin10111100000011100…
…11000110100100100
31012120112012112002112
423300032120310210
5201321240104431
65444143300152
7624512153063
oct136016306444
935515175075
1012620238116
115396882762
1225425aa658
1312617c8025
1487a1521da
154dce39c2b
hex2f0398d24

12620238116 has 18 divisors (see below), whose sum is σ = 23460981138. Its totient is φ = 5938935040.

The previous prime is 12620238107. The next prime is 12620238131. The reversal of 12620238116 is 61183202621.

It can be written as a sum of positive squares in 3 ways, for example, as 5006977600 + 7613260516 = 70760^2 + 87254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5457425 + ... + 5459736.

It is an arithmetic number, because the mean of its divisors is an integer number (1303387841).

Almost surely, 212620238116 is an apocalyptic number.

It is an amenable number.

12620238116 is a deficient number, since it is larger than the sum of its proper divisors (10840743022).

12620238116 is a wasteful number, since it uses less digits than its factorization.

12620238116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10917199 (or 10917180 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 12620238116 in words is "twelve billion, six hundred twenty million, two hundred thirty-eight thousand, one hundred sixteen".

Divisors: 1 2 4 17 34 68 289 578 1156 10917161 21834322 43668644 185591737 371183474 742366948 3155059529 6310119058 12620238116