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22102120120 = 2351929081737
BaseRepresentation
bin10100100101011000…
…111001011010111000
32010001100001000221111
4110211120321122320
5330231120320440
614053101050104
71411465630663
oct244530713270
963040030844
1022102120120
119412085a83
124349b56934
1321130587b2
1410d95646da
158955a14ea
hex5256396b8

22102120120 has 32 divisors (see below), whose sum is σ = 52347128400. Its totient is φ = 8375539968.

The previous prime is 22102120081. The next prime is 22102120153. The reversal of 22102120120 is 2102120122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22102120120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14540109 + ... + 14541628.

Almost surely, 222102120120 is an apocalyptic number.

22102120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102120120 is an abundant number, since it is smaller than the sum of its proper divisors (30245008280).

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

22102120120 is a wasteful number, since it uses less digits than its factorization.

22102120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29081767 (or 29081763 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22102120120 its reverse (2102120122), we get a palindrome (24204240242).

The spelling of 22102120120 in words is "twenty-two billion, one hundred two million, one hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 29081737 58163474 116326948 145408685 232653896 290817370 552553003 581634740 1105106006 1163269480 2210212012 2762765015 4420424024 5525530030 11051060060 22102120120