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72025894770 = 2356833515173
BaseRepresentation
bin100001100010100010…
…0111110111101110010
320212220121102120001020
41003011010332331302
52140002112113040
653031020520310
75126604001254
oct1030504767562
9225817376036
1072025894770
1128600815875
1211b613b0096
136a3b08a25b
1436b3ad1cd4
151d183dacd0
hex10c513ef72

72025894770 has 32 divisors (see below), whose sum is σ = 173115289152. Its totient is φ = 19178778432.

The previous prime is 72025894769. The next prime is 72025894793. The reversal of 72025894770 is 7749852027.

It is a super-2 number, since 2×720258947702 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737097 + ... + 1778076.

It is an arithmetic number, because the mean of its divisors is an integer number (5409852786).

Almost surely, 272025894770 is an apocalyptic number.

72025894770 is an abundant number, since it is smaller than the sum of its proper divisors (101089394382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72025894770 is a wasteful number, since it uses less digits than its factorization.

72025894770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515866.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 72025894770 in words is "seventy-two billion, twenty-five million, eight hundred ninety-four thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 683 1366 2049 3415 4098 6830 10245 20490 3515173 7030346 10545519 17575865 21091038 35151730 52727595 105455190 2400863159 4801726318 7202589477 12004315795 14405178954 24008631590 36012947385 72025894770