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72270160708 = 22171062796481
BaseRepresentation
bin100001101001110100…
…0110010001101000100
320220112122001112220211
41003103220302031010
52141002130120313
653111144205204
75135631141664
oct1032350621504
9226478045824
1072270160708
1128716692449
121200b169804
136a79872a05
1436d83181a4
151d2ea8ae3d
hex10d3a32344

72270160708 has 12 divisors (see below), whose sum is σ = 133912356732. Its totient is φ = 34009487360.

The previous prime is 72270160681. The next prime is 72270160733. The reversal of 72270160708 is 80706107227.

It can be written as a sum of positive squares in 2 ways, for example, as 67817534724 + 4452625984 = 260418^2 + 66728^2 .

It is a super-2 number, since 2×722701607082 (a number of 23 digits) contains 22 as substring.

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, 531398173 + ... + 531398308.

It is an arithmetic number, because the mean of its divisors is an integer number (11159363061).

Almost surely, 272270160708 is an apocalyptic number.

It is an amenable number.

72270160708 is a deficient number, since it is larger than the sum of its proper divisors (61642196024).

72270160708 is a wasteful number, since it uses less digits than its factorization.

72270160708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062796502 (or 1062796500 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 72270160708 in words is "seventy-two billion, two hundred seventy million, one hundred sixty thousand, seven hundred eight".

Divisors: 1 2 4 17 34 68 1062796481 2125592962 4251185924 18067540177 36135080354 72270160708