Search a number
-
+
69434584408 = 23713754116729
BaseRepresentation
bin100000010101010011…
…1111010110101011000
320122020000102100111101
41000222213322311120
52114200223200113
651521532041144
75005440141460
oct1005247726530
9218200370441
1069434584408
11274a1015a62
12115596031b4
13671726a607
1435098b2ba0
151c15b752dd
hex102a9fad58

69434584408 has 64 divisors (see below), whose sum is σ = 150160449600. Its totient is φ = 29484103680.

The previous prime is 69434584381. The next prime is 69434584441. The reversal of 69434584408 is 80448543496.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 4142188 + ... + 4158916.

It is an arithmetic number, because the mean of its divisors is an integer number (2346257025).

Almost surely, 269434584408 is an apocalyptic number.

It is an amenable number.

69434584408 is an abundant number, since it is smaller than the sum of its proper divisors (80725865192).

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

69434584408 is a wasteful number, since it uses less digits than its factorization.

69434584408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17420 (or 17416 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 55.

The spelling of 69434584408 in words is "sixty-nine billion, four hundred thirty-four million, five hundred eighty-four thousand, four hundred eight".

Divisors: 1 2 4 7 8 14 28 56 137 274 541 548 959 1082 1096 1918 2164 3787 3836 4328 7574 7672 15148 16729 30296 33458 66916 74117 117103 133832 148234 234206 296468 468412 518819 592936 936824 1037638 2075276 2291873 4150552 4583746 9050389 9167492 16043111 18100778 18334984 32086222 36201556 63352723 64172444 72403112 126705446 128344888 253410892 506821784 1239903293 2479806586 4959613172 8679323051 9919226344 17358646102 34717292204 69434584408