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23102056620 = 22325211608269
BaseRepresentation
bin10101100000111111…
…010110100010101100
32012122000121001221200
4111200333112202230
5334303111302440
614340221125500
71445330145516
oct254077264254
965560531850
1023102056620
119885566085
1245889b9890
132242272ab6
141192296bb6
1590326dc30
hex560fd68ac

23102056620 has 72 divisors (see below), whose sum is σ = 70408469040. Its totient is φ = 6131341440.

The previous prime is 23102056583. The next prime is 23102056639. The reversal of 23102056620 is 2665020132.

23102056620 is a `hidden beast` number, since 2 + 3 + 10 + 20 + 5 + 6 + 620 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266155 + ... + 342114.

Almost surely, 223102056620 is an apocalyptic number.

23102056620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23102056620 is an abundant number, since it is smaller than the sum of its proper divisors (47306412420).

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

23102056620 is a wasteful number, since it uses less digits than its factorization.

23102056620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608495 (or 608490 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 23102056620 its reverse (2665020132), we get a palindrome (25767076752).

The spelling of 23102056620 in words is "twenty-three billion, one hundred two million, fifty-six thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 211 422 633 844 1055 1266 1899 2110 2532 3165 3798 4220 6330 7596 9495 12660 18990 37980 608269 1216538 1824807 2433076 3041345 3649614 5474421 6082690 7299228 9124035 10948842 12165380 18248070 21897684 27372105 36496140 54744210 109488420 128344759 256689518 385034277 513379036 641723795 770068554 1155102831 1283447590 1540137108 1925171385 2310205662 2566895180 3850342770 4620411324 5775514155 7700685540 11551028310 23102056620