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12057714257 = 117191028903
BaseRepresentation
bin10110011101011001…
…00001111001010001
31011010022201100102112
423032230201321101
5144143233324012
65312250355105
7604541610611
oct131654417121
934108640375
1012057714257
1151282a1206
12240612ba95
1311a20c1284
14825562a41
154a8871122
hex2ceb21e51

12057714257 has 4 divisors (see below), whose sum is σ = 12058754880. Its totient is φ = 12056673636.

The previous prime is 12057714211. The next prime is 12057714299. The reversal of 12057714257 is 75241775021.

12057714257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12057714257 - 28 = 12057714001 is a prime.

It is a super-2 number, since 2×120577142572 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12057714857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502733 + ... + 526170.

It is an arithmetic number, because the mean of its divisors is an integer number (3014688720).

Almost surely, 212057714257 is an apocalyptic number.

It is an amenable number.

12057714257 is a deficient number, since it is larger than the sum of its proper divisors (1040623).

12057714257 is a wasteful number, since it uses less digits than its factorization.

12057714257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040622.

The product of its (nonzero) digits is 137200, while the sum is 41.

The spelling of 12057714257 in words is "twelve billion, fifty-seven million, seven hundred fourteen thousand, two hundred fifty-seven".

Divisors: 1 11719 1028903 12057714257