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38908007984 = 2417251569897
BaseRepresentation
bin100100001111000110…
…010001011000110000
310201102120021121001202
4210033012101120300
51114140422223414
625512445350332
72545114416416
oct441706213060
9121376247052
1038908007984
11155566132aa
12765a2683a8
133890a76841
141c515552b6
15102abd39de
hex90f191630

38908007984 has 40 divisors (see below), whose sum is σ = 80136777168. Its totient is φ = 18236672000.

The previous prime is 38908007969. The next prime is 38908007993. The reversal of 38908007984 is 48970080983.

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, 216677 + ... + 353220.

Almost surely, 238908007984 is an apocalyptic number.

38908007984 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38908007984 is an abundant number, since it is smaller than the sum of its proper divisors (41228769184).

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

38908007984 is a wasteful number, since it uses less digits than its factorization.

38908007984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570173 (or 570167 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 38908007984 in words is "thirty-eight billion, nine hundred eight million, seven thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 17 34 68 136 251 272 502 1004 2008 4016 4267 8534 17068 34136 68272 569897 1139794 2279588 4559176 9118352 9688249 19376498 38752996 77505992 143044147 155011984 286088294 572176588 1144353176 2288706352 2431750499 4863500998 9727001996 19454003992 38908007984