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45262581938 = 272214912
BaseRepresentation
bin101010001001110111…
…000011000010110010
311022211102112101202122
4222021313003002302
51220144210110223
632443210114242
73161435412200
oct521167030262
9138742471678
1045262581938
1118217602812
12893241b982
13436443a682
1422954a2070
15129da0a5c8
hexa89dc30b2

45262581938 has 18 divisors (see below), whose sum is σ = 78982261983. Its totient is φ = 19397346780.

The previous prime is 45262581883. The next prime is 45262581953. The reversal of 45262581938 is 83918526254.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22631290969 + 22631290969 = 150437^2 + 150437^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=150437.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45262581938.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2095373 + ... + 2116863.

Almost surely, 245262581938 is an apocalyptic number.

45262581938 is a deficient number, since it is larger than the sum of its proper divisors (33719680045).

45262581938 is an frugal number, since it uses more digits than its factorization.

45262581938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42998 (or 21500 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 53.

The spelling of 45262581938 in words is "forty-five billion, two hundred sixty-two million, five hundred eighty-one thousand, nine hundred thirty-eight".

Divisors: 1 2 7 14 49 98 21491 42982 150437 300874 1053059 2106118 461863081 923726162 3233041567 6466083134 22631290969 45262581938