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23150663720 = 2352513496607
BaseRepresentation
bin10101100011111000…
…110001100000101000
32012202102001120100122
4111203320301200220
5334403032214340
614345115022412
71446460252262
oct254370614050
965672046318
1023150663720
1198aaa45338
1245a113aa08
13224c3611b2
14119890ab32
15907670db5
hex563e31828

23150663720 has 64 divisors (see below), whose sum is σ = 52454304000. Its totient is φ = 9195552000.

The previous prime is 23150663689. The next prime is 23150663737. The reversal of 23150663720 is 2736605132.

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, 3500657 + ... + 3507263.

It is an arithmetic number, because the mean of its divisors is an integer number (819598500).

Almost surely, 223150663720 is an apocalyptic number.

23150663720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23150663720 is an abundant number, since it is smaller than the sum of its proper divisors (29303640280).

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

23150663720 is a wasteful number, since it uses less digits than its factorization.

23150663720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218 (or 7214 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 23150663720 in words is "twenty-three billion, one hundred fifty million, six hundred sixty-three thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 251 349 502 698 1004 1255 1396 1745 2008 2510 2792 3490 5020 6607 6980 10040 13214 13960 26428 33035 52856 66070 87599 132140 175198 264280 350396 437995 700792 875990 1658357 1751980 2305843 3316714 3503960 4611686 6633428 8291785 9223372 11529215 13266856 16583570 18446744 23058430 33167140 46116860 66334280 92233720 578766593 1157533186 2315066372 2893832965 4630132744 5787665930 11575331860 23150663720