Search a number
-
+
38994491763066 = 2377173179131831
BaseRepresentation
bin10001101110111000111001…
…10101000110100101111010
312010001211121011210011021010
420313130130311012211322
520102341204342404231
6214533453333054350
711133154600045620
oct1067343465064572
9163054534704233
1038994491763066
111147452001a254
1244594884873b6
13189b21b093038
1498b4b46b3510
15479509b0a546
hex23771cd4697a

38994491763066 has 64 divisors (see below), whose sum is σ = 91623782486016. Its totient is φ = 10833893078400.

The previous prime is 38994491763011. The next prime is 38994491763067. The reversal of 38994491763066 is 66036719449983.

It is not an unprimeable number, because it can be changed into a prime (38994491763067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89348230 + ... + 89783601.

It is an arithmetic number, because the mean of its divisors is an integer number (1431621601344).

Almost surely, 238994491763066 is an apocalyptic number.

38994491763066 is an abundant number, since it is smaller than the sum of its proper divisors (52629290722950).

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

38994491763066 is a wasteful number, since it uses less digits than its factorization.

38994491763066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179131987.

The product of its (nonzero) digits is 1269789696, while the sum is 75.

The spelling of 38994491763066 in words is "thirty-eight trillion, nine hundred ninety-four billion, four hundred ninety-one million, seven hundred sixty-three thousand, sixty-six".

Divisors: 1 2 3 6 7 14 21 42 71 73 142 146 213 219 426 438 497 511 994 1022 1491 1533 2982 3066 5183 10366 15549 31098 36281 72562 108843 217686 179131831 358263662 537395493 1074790986 1253922817 2507845634 3761768451 7523536902 12718360001 13076623663 25436720002 26153247326 38155080003 39229870989 76310160006 78459741978 89028520007 91536365641 178057040014 183072731282 267085560021 274609096923 534171120042 549218193846 928440280073 1856880560146 2785320840219 5570641680438 6499081960511 12998163921022 19497245881533 38994491763066