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22213841980 = 22511100972009
BaseRepresentation
bin10100101100000011…
…000101010000111100
32010100010021002112011
4110230003011100330
5330443220420410
614112131421004
71414323353461
oct245403052074
963303232464
1022213841980
11946a1532a0
12437b454764
1321302447c5
14110a327668
158a02be18a
hex52c0c543c

22213841980 has 24 divisors (see below), whose sum is σ = 50889893040. Its totient is φ = 8077760640.

The previous prime is 22213841977. The next prime is 22213841983. The reversal of 22213841980 is 8914831222.

It is an interprime number because it is at equal distance from previous prime (22213841977) and next prime (22213841983).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213841983) 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, 50485785 + ... + 50486224.

It is an arithmetic number, because the mean of its divisors is an integer number (2120412210).

Almost surely, 222213841980 is an apocalyptic number.

22213841980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22213841980 is an abundant number, since it is smaller than the sum of its proper divisors (28676051060).

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

22213841980 is a wasteful number, since it uses less digits than its factorization.

22213841980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100972029 (or 100972027 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 22213841980 in words is "twenty-two billion, two hundred thirteen million, eight hundred forty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 100972009 201944018 403888036 504860045 1009720090 1110692099 2019440180 2221384198 4442768396 5553460495 11106920990 22213841980