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38608728256 = 267838910273
BaseRepresentation
bin100011111101010000…
…100111000011000000
310200122201010121110101
4203331100213003000
51113032313301011
625423035012144
72534521526650
oct437520470300
9120581117411
1038608728256
1115412690a8a
127595b9a054
133843a6b847
141c238cc360
15100e7b82c1
hex8fd4270c0

38608728256 has 56 divisors (see below), whose sum is σ = 87578041760. Its totient is φ = 16543014912.

The previous prime is 38608728239. The next prime is 38608728281. The reversal of 38608728256 is 65282780683.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 38608728197 and 38608728206.

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, 3753136 + ... + 3763408.

Almost surely, 238608728256 is an apocalyptic number.

It is an amenable number.

38608728256 is an abundant number, since it is smaller than the sum of its proper divisors (48969313504).

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

38608728256 is a wasteful number, since it uses less digits than its factorization.

38608728256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18681 (or 18671 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 38608728256 in words is "thirty-eight billion, six hundred eight million, seven hundred twenty-eight thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 8389 10273 16778 20546 33556 41092 58723 67112 71911 82184 117446 134224 143822 164368 234892 268448 287644 328736 469784 536896 575288 657472 939568 1150576 1879136 2301152 3758272 4602304 86180197 172360394 344720788 603261379 689441576 1206522758 1378883152 2413045516 2757766304 4826091032 5515532608 9652182064 19304364128 38608728256