Search a number
-
+
57256457127671 = 174378326206741
BaseRepresentation
bin11010000010011000011101…
…10010011100011011110111
321111201122220221110011121002
431001030032302130123313
530001042211011041141
6321435130413113515
715026433245333234
oct1501141662343367
9244648827404532
1057256457127671
111727536641522a
12650882778889b
1325c4350aca299
14101d327a5678b
15694589eaae9b
hex34130ec9c6f7

57256457127671 has 8 divisors (see below), whose sum is σ = 62034355739664. Its totient is φ = 52635210929280.

The previous prime is 57256457127647. The next prime is 57256457127673. The reversal of 57256457127671 is 17672175465275.

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 57256457127671 - 210 = 57256457126647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57256457127598 and 57256457127607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57256457127673) 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, 39163102640 + ... + 39163104101.

It is an arithmetic number, because the mean of its divisors is an integer number (7754294467458).

Almost surely, 257256457127671 is an apocalyptic number.

57256457127671 is a deficient number, since it is larger than the sum of its proper divisors (4777898611993).

57256457127671 is a wasteful number, since it uses less digits than its factorization.

57256457127671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78326206801.

The product of its digits is 172872000, while the sum is 65.

The spelling of 57256457127671 in words is "fifty-seven trillion, two hundred fifty-six billion, four hundred fifty-seven million, one hundred twenty-seven thousand, six hundred seventy-one".

Divisors: 1 17 43 731 78326206741 1331545514597 3368026889863 57256457127671