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57485515642161 = 319161838547387
BaseRepresentation
bin11010001001000011000111…
…01111010101010100110001
321112112120011102110100010220
431010201203233111110301
530013320314001022121
6322132251544043253
715052122444514335
oct1504414357252461
9245476142410126
1057485515642161
1117353519a32462
1265450b2a63529
13260cb26421119
14102a4571077c5
1569a4e45856c6
hex344863bd5531

57485515642161 has 4 divisors (see below), whose sum is σ = 76647354189552. Its totient is φ = 38323677094772.

The previous prime is 57485515642063. The next prime is 57485515642229. The reversal of 57485515642161 is 16124651558475.

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 57485515642161 - 213 = 57485515633969 is a prime.

It is a super-3 number, since 3×574855156421613 (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57485515642095 and 57485515642104.

It is not an unprimeable number, because it can be changed into a prime (57485515142161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9580919273691 + ... + 9580919273696.

It is an arithmetic number, because the mean of its divisors is an integer number (19161838547388).

Almost surely, 257485515642161 is an apocalyptic number.

It is an amenable number.

57485515642161 is a deficient number, since it is larger than the sum of its proper divisors (19161838547391).

57485515642161 is a wasteful number, since it uses less digits than its factorization.

57485515642161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19161838547390.

The product of its digits is 40320000, while the sum is 60.

The spelling of 57485515642161 in words is "fifty-seven trillion, four hundred eighty-five billion, five hundred fifteen million, six hundred forty-two thousand, one hundred sixty-one".

Divisors: 1 3 19161838547387 57485515642161