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23001365352 = 2337136912889
BaseRepresentation
bin10101011010111111…
…001111101101101000
32012101000010102111110
4111122333033231220
5334101322142402
614322223030320
71442665244130
oct253277175550
965330112443
1023001365352
119833742259
12455b13b3a0
132227449774
141182b65ac0
158e94ce56c
hex55afcfb68

23001365352 has 32 divisors (see below), whose sum is σ = 65718187200. Its totient is φ = 6571818624.

The previous prime is 23001365329. The next prime is 23001365357. The reversal of 23001365352 is 25356310032.

It is not an unprimeable number, because it can be changed into a prime (23001365357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68456277 + ... + 68456612.

It is an arithmetic number, because the mean of its divisors is an integer number (2053693350).

Almost surely, 223001365352 is an apocalyptic number.

It is an amenable number.

23001365352 is an abundant number, since it is smaller than the sum of its proper divisors (42716821848).

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

23001365352 is a wasteful number, since it uses less digits than its factorization.

23001365352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136912905 (or 136912901 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 23001365352 its reverse (25356310032), we get a palindrome (48357675384).

The spelling of 23001365352 in words is "twenty-three billion, one million, three hundred sixty-five thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 136912889 273825778 410738667 547651556 821477334 958390223 1095303112 1642954668 1916780446 2875170669 3285909336 3833560892 5750341338 7667121784 11500682676 23001365352