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22107661752 = 2331183741143
BaseRepresentation
bin10100100101101110…
…000010010110111000
32010001201110120122010
4110211232002112320
5330234030134002
614053415525520
71411564011231
oct244556022670
963051416563
1022107661752
119415220540
12434b9898a0
132114248c77
1410da1a8088
15895ce846c
hex525b825b8

22107661752 has 32 divisors (see below), whose sum is σ = 60293623680. Its totient is φ = 6699291360.

The previous prime is 22107661739. The next prime is 22107661757. The reversal of 22107661752 is 25716670122.

It is a self number, because there is not a number n which added to its sum of digits gives 22107661752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22107661757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41870308 + ... + 41870835.

It is an arithmetic number, because the mean of its divisors is an integer number (1884175740).

Almost surely, 222107661752 is an apocalyptic number.

22107661752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22107661752 is an abundant number, since it is smaller than the sum of its proper divisors (38185961928).

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

22107661752 is a wasteful number, since it uses less digits than its factorization.

22107661752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83741163 (or 83741159 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 22107661752 in words is "twenty-two billion, one hundred seven million, six hundred sixty-one thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 83741143 167482286 251223429 334964572 502446858 669929144 921152573 1004893716 1842305146 2009787432 2763457719 3684610292 5526915438 7369220584 11053830876 22107661752