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12385752313 = 111796290377
BaseRepresentation
bin10111000100011111…
…11001010011111001
31011222011222102001011
423202033321103321
5200331223033223
65405005353521
7615634105024
oct134217712371
934864872034
1012385752313
115286486040
122497b688a1
13122505802c
14856d541bb
154c756c80d
hex2e23f94f9

12385752313 has 8 divisors (see below), whose sum is σ = 13587216480. Its totient is φ = 11196869280.

The previous prime is 12385752299. The next prime is 12385752349. The reversal of 12385752313 is 31325758321.

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 12385752313 - 213 = 12385744121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12385752383) 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, 3143220 + ... + 3147157.

It is an arithmetic number, because the mean of its divisors is an integer number (1698402060).

Almost surely, 212385752313 is an apocalyptic number.

It is an amenable number.

12385752313 is a deficient number, since it is larger than the sum of its proper divisors (1201464167).

12385752313 is a wasteful number, since it uses less digits than its factorization.

12385752313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290567.

The product of its digits is 151200, while the sum is 40.

The spelling of 12385752313 in words is "twelve billion, three hundred eighty-five million, seven hundred fifty-two thousand, three hundred thirteen".

Divisors: 1 11 179 1969 6290377 69194147 1125977483 12385752313