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914932945040 = 24511436661813
BaseRepresentation
bin11010101000001100100…
…00001101000010010000
310020110121020202021210212
431110012100031002100
5104442240313220130
61540151524143252
7123046614500312
oct15240620150220
93213536667725
10914932945040
11323025882494
121293a1237b28
136837c457c6a
14323d67537b2
1518bed4e7e95
hexd50640d090

914932945040 has 20 divisors (see below), whose sum is σ = 2127219097404. Its totient is φ = 365973177984.

The previous prime is 914932945019. The next prime is 914932945057. The reversal of 914932945040 is 40549239419.

It can be written as a sum of positive squares in 2 ways, for example, as 196181669776 + 718751275264 = 442924^2 + 847792^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 914932945040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5718330827 + ... + 5718330986.

Almost surely, 2914932945040 is an apocalyptic number.

It is an amenable number.

914932945040 is an abundant number, since it is smaller than the sum of its proper divisors (1212286152364).

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

914932945040 is a wasteful number, since it uses less digits than its factorization.

914932945040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11436661826 (or 11436661820 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 914932945040 in words is "nine hundred fourteen billion, nine hundred thirty-two million, nine hundred forty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 11436661813 22873323626 45746647252 57183309065 91493294504 114366618130 182986589008 228733236260 457466472520 914932945040