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489548972416 = 2773117624891
BaseRepresentation
bin1110001111110110110…
…01001000000110000000
31201210121111202111120211
413013323121020012000
531010044014104131
61012521245243504
750240323415230
oct7077331100600
91653544674524
10489548972416
111796866a5819
127aa64b63594
1337219b93c9a
14199a1215cc0
15cb033825b1
hex71fb648180

489548972416 has 64 divisors (see below), whose sum is σ = 1150552949760. Its totient is φ = 203038732800.

The previous prime is 489548972371. The next prime is 489548972503. The reversal of 489548972416 is 614279845984.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8784670 + ... + 8840221.

It is an arithmetic number, because the mean of its divisors is an integer number (17977389840).

Almost surely, 2489548972416 is an apocalyptic number.

It is an amenable number.

489548972416 is an abundant number, since it is smaller than the sum of its proper divisors (661003977344).

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

489548972416 is a wasteful number, since it uses less digits than its factorization.

489548972416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17624943 (or 17624931 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 67.

The spelling of 489548972416 in words is "four hundred eighty-nine billion, five hundred forty-eight million, nine hundred seventy-two thousand, four hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 31 32 56 62 64 112 124 128 217 224 248 434 448 496 868 896 992 1736 1984 3472 3968 6944 13888 27776 17624891 35249782 70499564 123374237 140999128 246748474 281998256 493496948 546371621 563996512 986993896 1092743242 1127993024 1973987792 2185486484 2255986048 3824601347 3947975584 4370972968 7649202694 7895951168 8741945936 15298405388 15791902336 17483891872 30596810776 34967783744 61193621552 69935567488 122387243104 244774486208 489548972416