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22645046904 = 2333130436891
BaseRepresentation
bin10101000101101111…
…111111111001111000
32011110011122120110220
4111011233333321320
5332334113000104
614223013540040
71431110502624
oct250557777170
964404576426
1022645046904
1196705a19a7
12447b944620
13219b69064c
14114b6d2184
158c80987d9
hex545bffe78

22645046904 has 32 divisors (see below), whose sum is σ = 58438832640. Its totient is φ = 7304853600.

The previous prime is 22645046899. The next prime is 22645046917. The reversal of 22645046904 is 40964054622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15217702 + ... + 15219189.

It is an arithmetic number, because the mean of its divisors is an integer number (1826213520).

Almost surely, 222645046904 is an apocalyptic number.

22645046904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22645046904 is an abundant number, since it is smaller than the sum of its proper divisors (35793785736).

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

22645046904 is a wasteful number, since it uses less digits than its factorization.

22645046904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30436931 (or 30436927 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 22645046904 in words is "twenty-two billion, six hundred forty-five million, forty-six thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 30436891 60873782 91310673 121747564 182621346 243495128 365242692 730485384 943543621 1887087242 2830630863 3774174484 5661261726 7548348968 11322523452 22645046904