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22910926668 = 2237271548791
BaseRepresentation
bin10101010101100110…
…001111111101001100
32012010200221122221120
4111111212033331030
5333410144123133
614305232400540
71440516443400
oct252546177514
965120848846
1022910926668
119797691343
1245349a6150
1322117a2c56
141174b43100
158e15b7ab3
hex55598ff4c

22910926668 has 72 divisors (see below), whose sum is σ = 63062786304. Its totient is φ = 6453770400.

The previous prime is 22910926667. The next prime is 22910926691. The reversal of 22910926668 is 86662901922.

It is a self number, because there is not a number n which added to its sum of digits gives 22910926668.

It is not an unprimeable number, because it can be changed into a prime (22910926667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232648 + ... + 316143.

It is an arithmetic number, because the mean of its divisors is an integer number (875872032).

Almost surely, 222910926668 is an apocalyptic number.

22910926668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22910926668 is an abundant number, since it is smaller than the sum of its proper divisors (40151859636).

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

22910926668 is a wasteful number, since it uses less digits than its factorization.

22910926668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548883 (or 548874 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 22910926668 in words is "twenty-two billion, nine hundred ten million, nine hundred twenty-six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 71 84 98 142 147 196 213 284 294 426 497 588 852 994 1491 1988 2982 3479 5964 6958 10437 13916 20874 41748 548791 1097582 1646373 2195164 3292746 3841537 6585492 7683074 11524611 15366148 23049222 26890759 38964161 46098444 53781518 77928322 80672277 107563036 116892483 155856644 161344554 233784966 272749127 322689108 467569932 545498254 818247381 1090996508 1636494762 1909243889 3272989524 3818487778 5727731667 7636975556 11455463334 22910926668