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12690147914827 = 19237950074711
BaseRepresentation
bin1011100010101010011111…
…0000100011010001001011
31122221011111020010201101221
42320222213300203101023
53130403410331233302
642553435023022511
72446555460340445
oct270524760432113
948834436121357
1012690147914827
114052952737049
12150b528a3aa37
137108a29bb116
1431c2c6665495
151701770d6937
hexb8aa7c2344b

12690147914827 has 12 divisors (see below), whose sum is σ = 13755181680336. Its totient is φ = 11697319829520.

The previous prime is 12690147914813. The next prime is 12690147914831. The reversal of 12690147914827 is 72841974109621.

It is not a de Polignac number, because 12690147914827 - 231 = 12688000431179 is a prime.

It is a super-2 number, since 2×126901479148272 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12690147915827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475023999 + ... + 475050712.

It is an arithmetic number, because the mean of its divisors is an integer number (1146265140028).

Almost surely, 212690147914827 is an apocalyptic number.

12690147914827 is a deficient number, since it is larger than the sum of its proper divisors (1065033765509).

12690147914827 is an equidigital number, since it uses as much as digits as its factorization.

12690147914827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950074786 (or 950074767 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 12690147914827 in words is "twelve trillion, six hundred ninety billion, one hundred forty-seven million, nine hundred fourteen thousand, eight hundred twenty-seven".

Divisors: 1 19 37 361 703 13357 950074711 18051419509 35152764307 342976970671 667902521833 12690147914827