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23034762440 = 235575869061
BaseRepresentation
bin10101011100111110…
…101001010011001000
32012110022222011200122
4111130332221103020
5334133344344230
614325414522412
71443552151544
oct253476512310
965408864618
1023034762440
119850582a58
12456a366408
132231340a61
14118737aa24
158ec3c9be5
hex55cfa94c8

23034762440 has 16 divisors (see below), whose sum is σ = 51828215580. Its totient is φ = 9213904960.

The previous prime is 23034762433. The next prime is 23034762449. The reversal of 23034762440 is 4426743032.

It can be written as a sum of positive squares in 2 ways, for example, as 22459817956 + 574944484 = 149866^2 + 23978^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23034762440.

It is not an unprimeable number, because it can be changed into a prime (23034762449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287934491 + ... + 287934570.

Almost surely, 223034762440 is an apocalyptic number.

23034762440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23034762440 is an abundant number, since it is smaller than the sum of its proper divisors (28793453140).

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

23034762440 is a wasteful number, since it uses less digits than its factorization.

23034762440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575869072 (or 575869068 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 35.

The spelling of 23034762440 in words is "twenty-three billion, thirty-four million, seven hundred sixty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 575869061 1151738122 2303476244 2879345305 4606952488 5758690610 11517381220 23034762440