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45250130990 = 2526383920507
BaseRepresentation
bin101010001001000111…
…100011010000101110
311022210120002211021102
4222021013203100232
51220133013142430
632442043203102
73161224524101
oct521107432056
9138716084242
1045250130990
1118210579179
12892a216492
13436199b34c
142293980738
15129c89b345
hexa891e342e

45250130990 has 32 divisors (see below), whose sum is σ = 81861373440. Its totient is φ = 18008861344.

The previous prime is 45250130909. The next prime is 45250131013. The reversal of 45250130990 is 9903105254.

It is a super-2 number, since 2×452501309902 (a number of 22 digits) contains 22 as substring.

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, 2196317 + ... + 2216823.

It is an arithmetic number, because the mean of its divisors is an integer number (2558167920).

Almost surely, 245250130990 is an apocalyptic number.

45250130990 is a deficient number, since it is larger than the sum of its proper divisors (36611242450).

45250130990 is a wasteful number, since it uses less digits than its factorization.

45250130990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21616.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 45250130990 in words is "forty-five billion, two hundred fifty million, one hundred thirty thousand, nine hundred ninety".

Divisors: 1 2 5 10 263 526 839 1315 1678 2630 4195 8390 20507 41014 102535 205070 220657 441314 1103285 2206570 5393341 10786682 17205373 26966705 34410746 53933410 86026865 172053730 4525013099 9050026198 22625065495 45250130990