Search a number
-
+
3903942264872 = 231322887531261
BaseRepresentation
bin111000110011110101000…
…101111000100000101000
3111211012202110010011102112
4320303311011320200220
51002430233204433442
612145240223221452
7552023220506156
oct70636505704050
914735673104375
103903942264872
11127571a6a6511
1253073a447888
132241a8c74600
14d6d47ac43d6
156b83cdde082
hex38cf5178828

3903942264872 has 24 divisors (see below), whose sum is σ = 7926273314190. Its totient is φ = 1801819506240.

The previous prime is 3903942264869. The next prime is 3903942264877. The reversal of 3903942264872 is 2784622493093.

It can be written as a sum of positive squares in 3 ways, for example, as 1788761802916 + 2115180461956 = 1337446^2 + 1454366^2 .

It is not an unprimeable number, because it can be changed into a prime (3903942264877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1443764279 + ... + 1443766982.

Almost surely, 23903942264872 is an apocalyptic number.

It is an amenable number.

3903942264872 is an abundant number, since it is smaller than the sum of its proper divisors (4022331049318).

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

3903942264872 is a wasteful number, since it uses less digits than its factorization.

3903942264872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887531293 (or 2887531276 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 59.

The spelling of 3903942264872 in words is "three trillion, nine hundred three billion, nine hundred forty-two million, two hundred sixty-four thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 2887531261 5775062522 11550125044 23100250088 37537906393 75075812786 150151625572 300303251144 487992783109 975985566218 1951971132436 3903942264872