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45061900690 = 254639971371
BaseRepresentation
bin101001111101111001…
…100000100110010010
311022022102220201211211
4221331321200212102
51214241321310230
632411240530334
73153450556522
oct517571404622
9138272821754
1045061900690
11181242a4a44
1288971809aa
1343319a5281
142276983682
15128b0b942a
hexa7de60992

45061900690 has 16 divisors (see below), whose sum is σ = 81128989440. Its totient is φ = 18020856240.

The previous prime is 45061900687. The next prime is 45061900721. The reversal of 45061900690 is 9600916054.

45061900690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×450619006902 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439296 + ... + 532075.

It is an arithmetic number, because the mean of its divisors is an integer number (5070561840).

Almost surely, 245061900690 is an apocalyptic number.

45061900690 is a deficient number, since it is larger than the sum of its proper divisors (36067088750).

45061900690 is a wasteful number, since it uses less digits than its factorization.

45061900690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976017.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 45061900690 in words is "forty-five billion, sixty-one million, nine hundred thousand, six hundred ninety".

Divisors: 1 2 5 10 4639 9278 23195 46390 971371 1942742 4856855 9713710 4506190069 9012380138 22530950345 45061900690