Search a number
-
+
76538886672212 = 22173120192094361
BaseRepresentation
bin10001011001110010011001…
…001001101100111101010100
3101001000001020121111122211022
4101121302121021230331110
540013003114442002322
6430441251254100312
722056515651212016
oct2131623111547524
9331001217448738
1076538886672212
1122429a611863a8
1287018ba34a698
1333927806ca983
1414c87052381b6
158cae4347d942
hex459c9926cf54

76538886672212 has 24 divisors (see below), whose sum is σ = 134829461365032. Its totient is φ = 38016551808000.

The previous prime is 76538886672173. The next prime is 76538886672221. The reversal of 76538886672212 is 21227668883567.

It can be written as a sum of positive squares in 4 ways, for example, as 19974588858436 + 56564297813776 = 4469294^2 + 7520924^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45216089 + ... + 46878272.

It is an arithmetic number, because the mean of its divisors is an integer number (5617894223543).

Almost surely, 276538886672212 is an apocalyptic number.

It is an amenable number.

76538886672212 is a deficient number, since it is larger than the sum of its proper divisors (58290574692820).

76538886672212 is a wasteful number, since it uses less digits than its factorization.

76538886672212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92095739 (or 92095737 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 71.

The spelling of 76538886672212 in words is "seventy-six trillion, five hundred thirty-eight billion, eight hundred eighty-six million, six hundred seventy-two thousand, two hundred twelve".

Divisors: 1 2 4 173 346 692 1201 2402 4804 207773 415546 831092 92094361 184188722 368377444 15932324453 31864648906 63729297812 110605327561 221210655122 442421310244 19134721668053 38269443336106 76538886672212