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23220791804 = 2271994167407
BaseRepresentation
bin10101101000000100…
…010010100111111100
32012221022000110000002
4111220010102213330
5340024010314204
614400102053432
71451301321320
oct255004224774
965838013002
1023220791804
119936593631
12460071a278
132260a460c2
1411a3d63980
1590d8c491e
hex5681129fc

23220791804 has 24 divisors (see below), whose sum is σ = 46674969600. Its totient is φ = 9901756656.

The previous prime is 23220791777. The next prime is 23220791809. The reversal of 23220791804 is 40819702232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220791809) 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, 2078132 + ... + 2089275.

It is an arithmetic number, because the mean of its divisors is an integer number (1944790400).

Almost surely, 223220791804 is an apocalyptic number.

It is an amenable number.

23220791804 is an abundant number, since it is smaller than the sum of its proper divisors (23454177796).

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

23220791804 is a wasteful number, since it uses less digits than its factorization.

23220791804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167617 (or 4167615 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 23220791804 in words is "twenty-three billion, two hundred twenty million, seven hundred ninety-one thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 199 398 796 1393 2786 5572 4167407 8334814 16669628 29171849 58343698 116687396 829313993 1658627986 3317255972 5805197951 11610395902 23220791804