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12514275528 = 2332371931531
BaseRepresentation
bin10111010011110100…
…01011000011001000
31012022010211001202020
423221322023003020
5201112123304103
65425440204440
7622054405206
oct135172130310
935263731666
1012514275528
115341a89477
122513009720
131245877581
1486a04c076
154d39a8753
hex2e9e8b0c8

12514275528 has 64 divisors (see below), whose sum is σ = 32692377600. Its totient is φ = 3984383040.

The previous prime is 12514275523. The next prime is 12514275559. The reversal of 12514275528 is 82557241521.

It is a self number, because there is not a number n which added to its sum of digits gives 12514275528.

It is not an unprimeable number, because it can be changed into a prime (12514275523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381123 + ... + 412653.

It is an arithmetic number, because the mean of its divisors is an integer number (510818400).

Almost surely, 212514275528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12514275528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16346188800).

12514275528 is an abundant number, since it is smaller than the sum of its proper divisors (20178102072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12514275528 is a wasteful number, since it uses less digits than its factorization.

12514275528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32282 (or 32278 counting only the distinct ones).

The product of its digits is 224000, while the sum is 42.

The spelling of 12514275528 in words is "twelve billion, five hundred fourteen million, two hundred seventy-five thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 719 1438 2157 2876 4314 5752 8628 16537 17256 31531 33074 49611 63062 66148 94593 99222 126124 132296 189186 198444 252248 378372 396888 725213 756744 1450426 2175639 2900852 4351278 5801704 8702556 17405112 22670789 45341578 68012367 90683156 136024734 181366312 272049468 521428147 544098936 1042856294 1564284441 2085712588 3128568882 4171425176 6257137764 12514275528