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57500152741 = 439611307981
BaseRepresentation
bin110101100011010001…
…101011001110100101
312111102021200101222201
4311203101223032211
51420230014341431
642225403454501
74103623143163
oct654321531645
9174367611881
1057500152741
1122427378899
12b188827431
135564882425
142ad6882233
151768057461
hexd6346b3a5

57500152741 has 4 divisors (see below), whose sum is σ = 57501504684. Its totient is φ = 57498800800.

The previous prime is 57500152729. The next prime is 57500152753. The reversal of 57500152741 is 14725100575.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (57500152729) and next prime (57500152753).

It can be written as a sum of positive squares in 2 ways, for example, as 26996133025 + 30504019716 = 164305^2 + 174654^2 .

It is a cyclic number.

It is not a de Polignac number, because 57500152741 - 27 = 57500152613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57500152741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57500152711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610030 + ... + 697951.

It is an arithmetic number, because the mean of its divisors is an integer number (14375376171).

Almost surely, 257500152741 is an apocalyptic number.

It is an amenable number.

57500152741 is a deficient number, since it is larger than the sum of its proper divisors (1351943).

57500152741 is a wasteful number, since it uses less digits than its factorization.

57500152741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351942.

The product of its (nonzero) digits is 49000, while the sum is 37.

The spelling of 57500152741 in words is "fifty-seven billion, five hundred million, one hundred fifty-two thousand, seven hundred forty-one".

Divisors: 1 43961 1307981 57500152741