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22999520957 = 7191451119179
BaseRepresentation
bin10101011010111000…
…001101011010111101
32012100212122201110112
4111122320031122331
5334100334132312
614322115315405
71442643462650
oct253270153275
965325581415
1022999520957
1198326a2566
12455a5abb65
132226c520ca
141182805897
158e9267d22
hex55ae0d6bd

22999520957 has 16 divisors (see below), whose sum is σ = 27687897600. Its totient is φ = 18663274800.

The previous prime is 22999520953. The next prime is 22999520969. The reversal of 22999520957 is 75902599922.

It is a cyclic number.

It is not a de Polignac number, because 22999520957 - 22 = 22999520953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22999520896 and 22999520905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22999520953) 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, 133394 + ... + 252572.

It is an arithmetic number, because the mean of its divisors is an integer number (1730493600).

Almost surely, 222999520957 is an apocalyptic number.

It is an amenable number.

22999520957 is a deficient number, since it is larger than the sum of its proper divisors (4688376643).

22999520957 is a wasteful number, since it uses less digits than its factorization.

22999520957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120656.

The product of its (nonzero) digits is 9185400, while the sum is 59.

The spelling of 22999520957 in words is "twenty-two billion, nine hundred ninety-nine million, five hundred twenty thousand, nine hundred fifty-seven".

Divisors: 1 7 19 133 1451 10157 27569 119179 192983 834253 2264401 15850807 172928729 1210501103 3285645851 22999520957