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23087298040 = 235577182451
BaseRepresentation
bin10101100000000111…
…000011010111111000
32012120222211020222121
4111200013003113320
5334240322014130
614334532531024
71445060536552
oct254007032770
965528736877
1023087298040
1198781a5804
124583a80a74
13223c1a6301
1411903344d2
15901d05d7a
hex5601c35f8

23087298040 has 16 divisors (see below), whose sum is σ = 51946420680. Its totient is φ = 9234919200.

The previous prime is 23087297983. The next prime is 23087298049. The reversal of 23087298040 is 4089278032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23087298049) 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, 288591186 + ... + 288591265.

Almost surely, 223087298040 is an apocalyptic number.

23087298040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23087298040 is an abundant number, since it is smaller than the sum of its proper divisors (28859122640).

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

23087298040 is a wasteful number, since it uses less digits than its factorization.

23087298040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577182462 (or 577182458 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 23087298040 in words is "twenty-three billion, eighty-seven million, two hundred ninety-eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 577182451 1154364902 2308729804 2885912255 4617459608 5771824510 11543649020 23087298040