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22121060108 = 22722731710979
BaseRepresentation
bin10100100110100001…
…001001011100001100
32010002122200021201112
4110212201021130030
5330300442410413
614055015031152
71412115623420
oct244641113414
963078607645
1022121060108
119421841964
12435436b4b8
132116c5a5a4
1410dbc94b80
158970932a8
hex52684970c

22121060108 has 48 divisors (see below), whose sum is σ = 44581259520. Its totient is φ = 9408058176.

The previous prime is 22121060081. The next prime is 22121060111. The reversal of 22121060108 is 80106012122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2009363 + ... + 2020341.

It is an arithmetic number, because the mean of its divisors is an integer number (928776240).

Almost surely, 222121060108 is an apocalyptic number.

22121060108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22121060108 is an abundant number, since it is smaller than the sum of its proper divisors (22460199412).

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

22121060108 is a wasteful number, since it uses less digits than its factorization.

22121060108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11534 (or 11532 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The spelling of 22121060108 in words is "twenty-two billion, one hundred twenty-one million, sixty thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 227 317 454 634 908 1268 1589 2219 3178 4438 6356 8876 10979 21958 43916 71959 76853 143918 153706 287836 307412 503713 1007426 2014852 2492233 3480343 4984466 6960686 9968932 13921372 17445631 24362401 34891262 48724802 69782524 97449604 790037861 1580075722 3160151444 5530265027 11060530054 22121060108