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12868167325 = 5213211187651
BaseRepresentation
bin10111111110000000…
…01010011010011101
31020012210201122000211
423333000022122131
5202323222323300
65524521252421
7633612421546
oct137700123235
936183648024
1012868167325
115503821632
1225b1634111
1312a0c93cc0
148a104d4cd
15504ab04ba
hex2ff00a69d

12868167325 has 24 divisors (see below), whose sum is σ = 17265485216. Its totient is φ = 9457560000.

The previous prime is 12868167317. The next prime is 12868167353. The reversal of 12868167325 is 52376186821.

It is a happy number.

It is not a de Polignac number, because 12868167325 - 23 = 12868167317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25251 + ... + 162400.

Almost surely, 212868167325 is an apocalyptic number.

It is an amenable number.

12868167325 is a deficient number, since it is larger than the sum of its proper divisors (4397317891).

12868167325 is a wasteful number, since it uses less digits than its factorization.

12868167325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187885 (or 187880 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The spelling of 12868167325 in words is "twelve billion, eight hundred sixty-eight million, one hundred sixty-seven thousand, three hundred twenty-five".

Divisors: 1 5 13 25 65 211 325 1055 2743 5275 13715 68575 187651 938255 2439463 4691275 12197315 39594361 60986575 197971805 514726693 989859025 2573633465 12868167325