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23735374420 = 2251186768721
BaseRepresentation
bin10110000110101111…
…010001001001010100
32021021011021221122111
4112012233101021110
5342102223440140
614523123240404
71500120232222
oct260657211124
967234257574
1023735374420
11a08000011a
124724b19104
132313535864
141212433b12
1593db6d7ea
hex586bd1254

23735374420 has 12 divisors (see below), whose sum is σ = 49844286324. Its totient is φ = 9494149760.

The previous prime is 23735374417. The next prime is 23735374433. The reversal of 23735374420 is 2447353732.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8467312324 + 15268062096 = 92018^2 + 123564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593384341 + ... + 593384380.

It is an arithmetic number, because the mean of its divisors is an integer number (4153690527).

Almost surely, 223735374420 is an apocalyptic number.

23735374420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23735374420 is an abundant number, since it is smaller than the sum of its proper divisors (26108911904).

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

23735374420 is a wasteful number, since it uses less digits than its factorization.

23735374420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186768730 (or 1186768728 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 40.

The spelling of 23735374420 in words is "twenty-three billion, seven hundred thirty-five million, three hundred seventy-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1186768721 2373537442 4747074884 5933843605 11867687210 23735374420