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38486645616 = 2436071320931
BaseRepresentation
bin100011110101111110…
…111001101101110000
310200100012102011120010
4203311332321231300
51112310040124431
625402554214520
72531510042616
oct436576715560
9120305364503
1038486645616
111535a787541
127561124440
1338246959b3
141c115cd6b6
151003c00846
hex8f5fb9b70

38486645616 has 40 divisors (see below), whose sum is σ = 99587705344. Its totient is φ = 12807737280.

The previous prime is 38486645611. The next prime is 38486645629. The reversal of 38486645616 is 61654668483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38486645611) 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, 631330 + ... + 689601.

Almost surely, 238486645616 is an apocalyptic number.

It is an amenable number.

38486645616 is an abundant number, since it is smaller than the sum of its proper divisors (61101059728).

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

38486645616 is a wasteful number, since it uses less digits than its factorization.

38486645616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321549 (or 1321543 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 57.

The spelling of 38486645616 in words is "thirty-eight billion, four hundred eighty-six million, six hundred forty-five thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 607 1214 1821 2428 3642 4856 7284 9712 14568 29136 1320931 2641862 3962793 5283724 7925586 10567448 15851172 21134896 31702344 63404688 801805117 1603610234 2405415351 3207220468 4810830702 6414440936 9621661404 12828881872 19243322808 38486645616