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57246259139 = 143807398077
BaseRepresentation
bin110101010100001001…
…001001011111000011
312110202120221021102222
4311110021021133003
51414220020243024
642144254001255
74064421113456
oct652411113703
9173676837388
1057246259139
1122307025873
12b1177a622b
1355240a8724
142ab0c7149d
151750b0485e
hexd542497c3

57246259139 has 4 divisors (see below), whose sum is σ = 57246801024. Its totient is φ = 57245717256.

The previous prime is 57246259129. The next prime is 57246259159. The reversal of 57246259139 is 93195264275.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57246259139 - 24 = 57246259123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57246259129) 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, 55232 + ... + 342845.

It is an arithmetic number, because the mean of its divisors is an integer number (14311700256).

Almost surely, 257246259139 is an apocalyptic number.

57246259139 is a deficient number, since it is larger than the sum of its proper divisors (541885).

57246259139 is a wasteful number, since it uses less digits than its factorization.

57246259139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541884.

The product of its digits is 4082400, while the sum is 53.

The spelling of 57246259139 in words is "fifty-seven billion, two hundred forty-six million, two hundred fifty-nine thousand, one hundred thirty-nine".

Divisors: 1 143807 398077 57246259139