Search a number
-
+
57899142421975 = 52171087125329601
BaseRepresentation
bin11010010101000101100011…
…10100010001110111010111
321121000002210210012211212101
431022202301310101313113
530042104420430000400
6323050255425302531
715124034503236361
oct1512426164216727
9247002723184771
1057899142421975
11174a2985519158
1265b12a9794a47
13263cb33c4508a
141042494d8dd31
156a615243d56a
hex34a8b1d11dd7

57899142421975 has 24 divisors (see below), whose sum is σ = 76088102692608. Its totient is φ = 43554542592000.

The previous prime is 57899142421943. The next prime is 57899142422053. The reversal of 57899142421975 is 57912424199875.

It is not a de Polignac number, because 57899142421975 - 25 = 57899142421943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57899142421898 and 57899142421907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62202826 + ... + 63126775.

It is an arithmetic number, because the mean of its divisors is an integer number (3170337612192).

Almost surely, 257899142421975 is an apocalyptic number.

57899142421975 is a deficient number, since it is larger than the sum of its proper divisors (18188960270633).

57899142421975 is a wasteful number, since it uses less digits than its factorization.

57899142421975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125330715 (or 125330710 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 73.

The spelling of 57899142421975 in words is "fifty-seven trillion, eight hundred ninety-nine billion, one hundred forty-two million, four hundred twenty-one thousand, nine hundred seventy-five".

Divisors: 1 5 17 25 85 425 1087 5435 18479 27175 92395 461975 125329601 626648005 2130603217 3133240025 10653016085 53265080425 136233276287 681166381435 2315965696879 3405831907175 11579828484395 57899142421975