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22100211690 = 2354715673909
BaseRepresentation
bin10100100101010001…
…100111011111101010
32010001012110002001220
4110211101213133222
5330230123233230
614052552122510
71411443462024
oct244521473752
963035402056
1022100211690
119410aa2167
124349396436
13211283ac4b
1410d91c9014
15895325d10
hex5254677ea

22100211690 has 32 divisors (see below), whose sum is σ = 54169032960. Its totient is φ = 5767998144.

The previous prime is 22100211689. The next prime is 22100211709. The reversal of 22100211690 is 9611200122.

It is a super-2 number, since 2×221002116902 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22100211690.

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, 7835545 + ... + 7838364.

It is an arithmetic number, because the mean of its divisors is an integer number (1692782280).

Almost surely, 222100211690 is an apocalyptic number.

22100211690 is an abundant number, since it is smaller than the sum of its proper divisors (32068821270).

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

22100211690 is a wasteful number, since it uses less digits than its factorization.

22100211690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15673966.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 22100211690 in words is "twenty-two billion, one hundred million, two hundred eleven thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 15673909 31347818 47021727 78369545 94043454 156739090 235108635 470217270 736673723 1473347446 2210021169 3683368615 4420042338 7366737230 11050105845 22100211690