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61870432292068 = 2218340698433493
BaseRepresentation
bin11100001000101010101010…
…01000111000110011100100
322010001202101210201211112211
432010111111020320303210
531102141121131321233
6335330514553453204
716013663663204041
oct1604252510706344
9263052353654484
1061870432292068
1118794115085234
126b32aa2711204
13286a48397795a
14113c78b2ca1c8
157245d2b5d5cd
hex384555238ce4

61870432292068 has 12 divisors (see below), whose sum is σ = 108273328384060. Its totient is φ = 30935195610912.

The previous prime is 61870432292059. The next prime is 61870432292087. The reversal of 61870432292068 is 86029223407816.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56555784448164 + 5314647843904 = 7520358^2 + 2305352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3119530 + ... + 11553022.

Almost surely, 261870432292068 is an apocalyptic number.

It is an amenable number.

61870432292068 is a deficient number, since it is larger than the sum of its proper divisors (46402896091992).

61870432292068 is a wasteful number, since it uses less digits than its factorization.

61870432292068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10267566 (or 10267564 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 61870432292068 in words is "sixty-one trillion, eight hundred seventy billion, four hundred thirty-two million, two hundred ninety-two thousand, sixty-eight".

Divisors: 1 2 4 1834069 3668138 7336276 8433493 16866986 33733972 15467608073017 30935216146034 61870432292068