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23606772140 = 2257224088543
BaseRepresentation
bin10101111111000100…
…101100000110101100
32020221012022021111002
4111333010230012230
5341321313202030
614502251015432
71463666152400
oct257704540654
966835267432
1023606772140
11a014453346
1246a9a3a578
1322c29b9333
1411dd319100
15932719245
hex57f12c1ac

23606772140 has 36 divisors (see below), whose sum is σ = 57667974336. Its totient is φ = 8093750112.

The previous prime is 23606772121. The next prime is 23606772199. The reversal of 23606772140 is 4127760632.

It is a junction number, because it is equal to n+sod(n) for n = 23606772094 and 23606772103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12043292 + ... + 12045251.

It is an arithmetic number, because the mean of its divisors is an integer number (1601888176).

Almost surely, 223606772140 is an apocalyptic number.

23606772140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23606772140 is an abundant number, since it is smaller than the sum of its proper divisors (34061202196).

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

23606772140 is a wasteful number, since it uses less digits than its factorization.

23606772140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24088566 (or 24088557 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 23606772140 in words is "twenty-three billion, six hundred six million, seven hundred seventy-two thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 24088543 48177086 96354172 120442715 168619801 240885430 337239602 481770860 674479204 843099005 1180338607 1686198010 2360677214 3372396020 4721354428 5901693035 11803386070 23606772140