Search a number
-
+
38764149408 = 2532158385027
BaseRepresentation
bin100100000110100001…
…011111101010100000
310201001112120211012100
4210012201133222200
51113342110240113
625450310130400
72541416555565
oct440641375240
9121045524170
1038764149408
1115492396216
12761a050a00
13386a01811a
141c3a3c886c
15101d268d73
hex90685faa0

38764149408 has 72 divisors (see below), whose sum is σ = 110306484288. Its totient is φ = 12913068672.

The previous prime is 38764149401. The next prime is 38764149409. The reversal of 38764149408 is 80494146783.

38764149408 is a `hidden beast` number, since 38 + 7 + 64 + 149 + 408 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (38764149401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413391 + ... + 498417.

It is an arithmetic number, because the mean of its divisors is an integer number (1532034504).

Almost surely, 238764149408 is an apocalyptic number.

It is an amenable number.

38764149408 is an abundant number, since it is smaller than the sum of its proper divisors (71542334880).

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

38764149408 is a wasteful number, since it uses less digits than its factorization.

38764149408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86626 (or 86615 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 38764149408 in words is "thirty-eight billion, seven hundred sixty-four million, one hundred forty-nine thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1583 3166 4749 6332 9498 12664 14247 18996 25328 28494 37992 50656 56988 75984 85027 113976 151968 170054 227952 255081 340108 455904 510162 680216 765243 1020324 1360432 1530486 2040648 2720864 3060972 4081296 6121944 8162592 12243888 24487776 134597741 269195482 403793223 538390964 807586446 1076781928 1211379669 1615172892 2153563856 2422759338 3230345784 4307127712 4845518676 6460691568 9691037352 12921383136 19382074704 38764149408