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7168944147085 = 57913932241167
BaseRepresentation
bin110100001010010011001…
…0111101000101010001101
3221101100022001011212121001
41220110212113220222031
51414423444200201320
623125211212540301
71336640055552040
oct150244627505215
927340261155531
107168944147085
1123143720935a6
12979480a81691
1340004a8bb076
141aad9b982c57
15c67324d420a
hex685265e8a8d

7168944147085 has 16 divisors (see below), whose sum is σ = 9831806793216. Its totient is φ = 4915791433728.

The previous prime is 7168944147083. The next prime is 7168944147173. The reversal of 7168944147085 is 5807414498617.

It is not a de Polignac number, because 7168944147085 - 21 = 7168944147083 is a prime.

It is a super-2 number, since 2×71689441470852 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7168944147083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2078172 + ... + 4319338.

It is an arithmetic number, because the mean of its divisors is an integer number (614487924576).

Almost surely, 27168944147085 is an apocalyptic number.

It is an amenable number.

7168944147085 is a deficient number, since it is larger than the sum of its proper divisors (2662862646131).

7168944147085 is a wasteful number, since it uses less digits than its factorization.

7168944147085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332572.

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 7168944147085 in words is "seven trillion, one hundred sixty-eight billion, nine hundred forty-four million, one hundred forty-seven thousand, eighty-five".

Divisors: 1 5 7 35 91393 456965 639751 2241167 3198755 11205835 15688169 78440845 204826975631 1024134878155 1433788829417 7168944147085