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22157041730 = 2583103259177
BaseRepresentation
bin10100101000101010…
…011010000001000010
32010012011101100020012
4110220222122001002
5330334200313410
614102342144522
71413033514205
oct245052320102
963164340205
1022157041730
11944008843a
124364422142
1321215480a5
14110297d93c
1589a2ee605
hex528a9a042

22157041730 has 32 divisors (see below), whose sum is σ = 40755222144. Its totient is φ = 8670992256.

The previous prime is 22157041703. The next prime is 22157041733. The reversal of 22157041730 is 3714075122.

It is a super-2 number, since 2×221570417302 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22157041733) 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, 44099 + ... + 215078.

It is an arithmetic number, because the mean of its divisors is an integer number (1273600692).

Almost surely, 222157041730 is an apocalyptic number.

22157041730 is a deficient number, since it is larger than the sum of its proper divisors (18598180414).

22157041730 is a wasteful number, since it uses less digits than its factorization.

22157041730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259370.

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 22157041730 in words is "twenty-two billion, one hundred fifty-seven million, forty-one thousand, seven hundred thirty".

Divisors: 1 2 5 10 83 103 166 206 415 515 830 1030 8549 17098 42745 85490 259177 518354 1295885 2591770 21511691 26695231 43023382 53390462 107558455 133476155 215116910 266952310 2215704173 4431408346 11078520865 22157041730