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12789112324 = 225418297129
BaseRepresentation
bin10111110100100101…
…00101111000000100
31020000021222012221211
423322102211320010
5202143003043244
65513015021204
7631632442522
oct137222457004
936007865854
1012789112324
11547313641a
12258b06a804
13128a7a4ab1
14894751312
154ecb96934
hex2fa4a5e04

12789112324 has 24 divisors (see below), whose sum is σ = 22452512600. Its totient is φ = 6374142720.

The previous prime is 12789112289. The next prime is 12789112339. The reversal of 12789112324 is 42321198721.

It can be written as a sum of positive squares in 4 ways, for example, as 2381440000 + 10407672324 = 48800^2 + 102018^2 .

It is a super-2 number, since 2×127891123242 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790392 + ... + 1797520.

Almost surely, 212789112324 is an apocalyptic number.

It is an amenable number.

12789112324 is a deficient number, since it is larger than the sum of its proper divisors (9663400276).

12789112324 is a wasteful number, since it uses less digits than its factorization.

12789112324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503 (or 8501 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The spelling of 12789112324 in words is "twelve billion, seven hundred eighty-nine million, one hundred twelve thousand, three hundred twenty-four".

Divisors: 1 2 4 541 829 1082 1658 2164 3316 7129 14258 28516 448489 896978 1793956 3856789 5909941 7713578 11819882 15427156 23639764 3197278081 6394556162 12789112324