Search a number
-
+
38010765912 = 2337928324373
BaseRepresentation
bin100011011001100111…
…100100001001011000
310122010000221222022220
4203121213210021120
51110321224002122
625243434344040
72513641115340
oct433147441130
9118100858286
1038010765912
11151360a5029
12744988b020
133779c07582
141ba8315d20
15ec704e25c
hex8d99e4258

38010765912 has 64 divisors (see below), whose sum is σ = 108618343680. Its totient is φ = 10858603392.

The previous prime is 38010765899. The next prime is 38010765937. The reversal of 38010765912 is 21956701083.

It is a super-2 number, since 2×380107659122 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1547358 + ... + 1571730.

It is an arithmetic number, because the mean of its divisors is an integer number (1697161620).

Almost surely, 238010765912 is an apocalyptic number.

It is an amenable number.

38010765912 is an abundant number, since it is smaller than the sum of its proper divisors (70607577768).

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

38010765912 is a wasteful number, since it uses less digits than its factorization.

38010765912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33672 (or 33668 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 38010765912 in words is "thirty-eight billion, ten million, seven hundred sixty-five thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 9283 18566 24373 27849 37132 48746 55698 64981 73119 74264 97492 111396 129962 146238 170611 194943 194984 222792 259924 292476 341222 389886 511833 519848 584952 682444 779772 1023666 1364888 1559544 2047332 4094664 226254559 452509118 678763677 905018236 1357527354 1583781913 1810036472 2715054708 3167563826 4751345739 5430109416 6335127652 9502691478 12670255304 19005382956 38010765912