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38555753664 = 263712828327
BaseRepresentation
bin100011111010000110…
…100001110011000000
310200112000110012222110
4203322012201303000
51112430233104124
625413503335320
72533306333041
oct437206416300
9120460405873
1038555753664
111539579942a
1275802b1540
133835ab152c
141c1a85c8c8
151009d02029
hex8fa1a1cc0

38555753664 has 56 divisors (see below), whose sum is σ = 103448924928. Its totient is φ = 12670900480.

The previous prime is 38555753651. The next prime is 38555753681. The reversal of 38555753664 is 46635755583.

It is a happy number.

It is a super-2 number, since 2×385557536642 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400532 + ... + 1427795.

Almost surely, 238555753664 is an apocalyptic number.

It is an amenable number.

38555753664 is an abundant number, since it is smaller than the sum of its proper divisors (64893171264).

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

38555753664 is a wasteful number, since it uses less digits than its factorization.

38555753664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828413 (or 2828403 counting only the distinct ones).

The product of its digits is 45360000, while the sum is 57.

The spelling of 38555753664 in words is "thirty-eight billion, five hundred fifty-five million, seven hundred fifty-three thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 71 96 142 192 213 284 426 568 852 1136 1704 2272 3408 4544 6816 13632 2828327 5656654 8484981 11313308 16969962 22626616 33939924 45253232 67879848 90506464 135759696 181012928 200811217 271519392 401622434 543038784 602433651 803244868 1204867302 1606489736 2409734604 3212979472 4819469208 6425958944 9638938416 12851917888 19277876832 38555753664