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23302520644 = 221314911932521
BaseRepresentation
bin10101101100111100…
…000011111101000100
32020010222210200220011
4111230330003331010
5340210421130034
614412141520004
71453313104654
oct255474037504
966128720804
1023302520644
119978735727
124623b73004
132274960370
1411b0b5a364
15915b6a864
hex56cf03f44

23302520644 has 48 divisors (see below), whose sum is σ = 44265639600. Its totient is φ = 10669639680.

The previous prime is 23302520641. The next prime is 23302520651. The reversal of 23302520644 is 44602520332.

It can be written as a sum of positive squares in 8 ways, for example, as 11644999744 + 11657520900 = 107912^2 + 107970^2 .

It is not an unprimeable number, because it can be changed into a prime (23302520641) 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, 9242104 + ... + 9244624.

It is an arithmetic number, because the mean of its divisors is an integer number (922200825).

Almost surely, 223302520644 is an apocalyptic number.

It is an amenable number.

23302520644 is a deficient number, since it is larger than the sum of its proper divisors (20963118956).

23302520644 is a wasteful number, since it uses less digits than its factorization.

23302520644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The spelling of 23302520644 in words is "twenty-three billion, three hundred two million, five hundred twenty thousand, six hundred forty-four".

Divisors: 1 2 4 13 26 52 149 298 596 1193 1937 2386 2521 3874 4772 5042 7748 10084 15509 31018 32773 62036 65546 131092 177757 355514 375629 711028 751258 1502516 2310841 3007553 4621682 4883177 6015106 9243364 9766354 12030212 19532708 39098189 78196378 156392756 448125397 896250794 1792501588 5825630161 11651260322 23302520644