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23021292474 = 233839508129
BaseRepresentation
bin10101011100001011…
…010000101110111010
32012102101121211101000
4111130023100232322
5334121422324344
614324214105430
71443326520525
oct253413205672
965371554330
1023021292474
119843a12854
12456594b276
13222b60596b
141185671bbc
158eb118a69
hex55c2d0bba

23021292474 has 32 divisors (see below), whose sum is σ = 51219504000. Its totient is φ = 7664602752.

The previous prime is 23021292473. The next prime is 23021292479. The reversal of 23021292474 is 47429212032.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23021292473) 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, 208759 + ... + 299370.

It is an arithmetic number, because the mean of its divisors is an integer number (1600609500).

Almost surely, 223021292474 is an apocalyptic number.

23021292474 is an abundant number, since it is smaller than the sum of its proper divisors (28198211526).

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

23021292474 is a wasteful number, since it uses less digits than its factorization.

23021292474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508979 (or 508973 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 23021292474 in words is "twenty-three billion, twenty-one million, two hundred ninety-two thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 839 1678 2517 5034 7551 15102 22653 45306 508129 1016258 1524387 3048774 4573161 9146322 13719483 27438966 426320231 852640462 1278960693 2557921386 3836882079 7673764158 11510646237 23021292474