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38994491762984 = 2319318681953297
BaseRepresentation
bin10001101110111000111001…
…10101000110100100101000
312010001211121011210011011002
420313130130311012210220
520102341204342403414
6214533453333054132
711133154600045442
oct1067343465064450
9163054534704132
1038994491762984
111147452001a18a
124459488487348
13189b21b092ca4
1498b4b46b3492
15479509b0a4de
hex23771cd46928

38994491762984 has 64 divisors (see below), whose sum is σ = 79454719065600. Its totient is φ = 17873156044800.

The previous prime is 38994491762983. The next prime is 38994491762999. The reversal of 38994491762984 is 48926719449983.

It is not an unprimeable number, because it can be changed into a prime (38994491762983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40428224 + ... + 41381520.

It is an arithmetic number, because the mean of its divisors is an integer number (1241479985400).

Almost surely, 238994491762984 is an apocalyptic number.

It is an amenable number.

38994491762984 is an abundant number, since it is smaller than the sum of its proper divisors (40460227302616).

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

38994491762984 is a wasteful number, since it uses less digits than its factorization.

38994491762984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962034 (or 962030 counting only the distinct ones).

The product of its digits is 6772211712, while the sum is 83.

The spelling of 38994491762984 in words is "thirty-eight trillion, nine hundred ninety-four billion, four hundred ninety-one million, seven hundred sixty-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 19 31 38 62 76 124 152 248 589 1178 2356 4712 8681 17362 34724 69448 164939 269111 329878 538222 659756 953297 1076444 1319512 1906594 2152888 3813188 5113109 7626376 10226218 18112643 20452436 29552207 36225286 40904872 59104414 72450572 118208828 144901144 236417656 561491933 1122983866 2245967732 4491935464 8275571257 16551142514 33102285028 66204570056 157235853883 256542708967 314471707766 513085417934 628943415532 1026170835868 1257886831064 2052341671736 4874311470373 9748622940746 19497245881492 38994491762984