Search a number
-
+
90006529512 = 23317296374453
BaseRepresentation
bin101001111010011001…
…1101010010111101000
322121022201011102221010
41103310303222113220
52433313132421022
6105203132143520
76334305610014
oct1236463522750
9277281142833
1090006529512
1135198380889
121553b007ba0
13864529a2b3
1444dbb1b544
15251bc1b50c
hex14f4cea5e8

90006529512 has 64 divisors (see below), whose sum is σ = 238336188480. Its totient is φ = 28227433472.

The previous prime is 90006529507. The next prime is 90006529513. The reversal of 90006529512 is 21592560009.

It is not an unprimeable number, because it can be changed into a prime (90006529513) 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, 1171678 + ... + 1246130.

It is an arithmetic number, because the mean of its divisors is an integer number (3724002945).

Almost surely, 290006529512 is an apocalyptic number.

It is an amenable number.

90006529512 is an abundant number, since it is smaller than the sum of its proper divisors (148329658968).

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

90006529512 is a wasteful number, since it uses less digits than its factorization.

90006529512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77442 (or 77438 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The spelling of 90006529512 in words is "ninety billion, six million, five hundred twenty-nine thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 2963 5926 8889 11852 17778 23704 35556 50371 71112 74453 100742 148906 151113 201484 223359 297812 302226 402968 446718 595624 604452 893436 1208904 1265701 1786872 2531402 3797103 5062804 7594206 10125608 15188412 30376824 220604239 441208478 661812717 882416956 1323625434 1764833912 2647250868 3750272063 5294501736 7500544126 11250816189 15001088252 22501632378 30002176504 45003264756 90006529512