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22613607620 = 2251130680381
BaseRepresentation
bin10101000011111000…
…000100010011000100
32011100222111021212222
4111003320010103010
5332303040420440
614215532031512
71430246331122
oct250370042304
964328437788
1022613607620
11965487911a
124471302598
132195003516
14114746a912
158c54382b5
hex543e044c4

22613607620 has 12 divisors (see below), whose sum is σ = 47488576044. Its totient is φ = 9045443040.

The previous prime is 22613607557. The next prime is 22613607647. The reversal of 22613607620 is 2670631622.

It can be written as a sum of positive squares in 2 ways, for example, as 17295406144 + 5318201476 = 131512^2 + 72926^2 .

It is a super-2 number, since 2×226136076202 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565340171 + ... + 565340210.

It is an arithmetic number, because the mean of its divisors is an integer number (3957381337).

Almost surely, 222613607620 is an apocalyptic number.

22613607620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22613607620 is an abundant number, since it is smaller than the sum of its proper divisors (24874968424).

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

22613607620 is a wasteful number, since it uses less digits than its factorization.

22613607620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130680390 (or 1130680388 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 22613607620 in words is "twenty-two billion, six hundred thirteen million, six hundred seven thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 1130680381 2261360762 4522721524 5653401905 11306803810 22613607620