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23074664140 = 22511180158237
BaseRepresentation
bin10101011111010110…
…110110111011001100
32012120010001101112101
4111133112312323030
5334224103223030
614333402044444
71444545260203
oct253726667314
965503041471
1023074664140
119871056770
12457b7a9724
1322396a1928
14118c7a623a
15900b5c7ca
hex55f5b6ecc

23074664140 has 48 divisors (see below), whose sum is σ = 52892217504. Its totient is φ = 8385984000.

The previous prime is 23074664051. The next prime is 23074664149. The reversal of 23074664140 is 4146647032.

It is a self number, because there is not a number n which added to its sum of digits gives 23074664140.

It is not an unprimeable number, because it can be changed into a prime (23074664149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367102 + ... + 425338.

It is an arithmetic number, because the mean of its divisors is an integer number (1101921198).

Almost surely, 223074664140 is an apocalyptic number.

23074664140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23074664140 is an abundant number, since it is smaller than the sum of its proper divisors (29817553364).

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

23074664140 is a wasteful number, since it uses less digits than its factorization.

23074664140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60058 (or 60056 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 23074664140 in words is "twenty-three billion, seventy-four million, six hundred sixty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1801 3602 7204 9005 18010 19811 36020 39622 58237 79244 99055 116474 198110 232948 291185 396220 582370 640607 1164740 1281214 2562428 3203035 6406070 12812140 104884837 209769674 419539348 524424185 1048848370 1153733207 2097696740 2307466414 4614932828 5768666035 11537332070 23074664140