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12529040389 = 60122039463
BaseRepresentation
bin10111010101100100…
…11111110000000101
31012100011121012022221
423222302133300011
5201124413243024
65431124452341
7622324041355
oct135262376005
935304535287
1012529040389
11534a353538
122517b4a0b1
131248946b88
1486bdb2b65
154d4e233e4
hex2eac9fc05

12529040389 has 8 divisors (see below), whose sum is σ = 12556910912. Its totient is φ = 12501194400.

The previous prime is 12529040351. The next prime is 12529040413. The reversal of 12529040389 is 98304092521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12529040389 - 29 = 12529039877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12529040189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319272 + ... + 1328734.

It is an arithmetic number, because the mean of its divisors is an integer number (1569613864).

Almost surely, 212529040389 is an apocalyptic number.

It is an amenable number.

12529040389 is a deficient number, since it is larger than the sum of its proper divisors (27870523).

12529040389 is an equidigital number, since it uses as much as digits as its factorization.

12529040389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 12529040389 in words is "twelve billion, five hundred twenty-nine million, forty thousand, three hundred eighty-nine".

Divisors: 1 601 2203 9463 1324003 5687263 20846989 12529040389