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56455173130 = 2537157971857
BaseRepresentation
bin110100100100111111…
…011001010000001010
312101201110100221110011
4310210333121100022
51411110011020010
641533554142134
74036004024326
oct644477312012
9171643327404
1056455173130
1121a40523184
12ab3688194a
135429226cb5
142a37b86986
15170643da8a
hexd24fd940a

56455173130 has 32 divisors (see below), whose sum is σ = 105030637776. Its totient is φ = 21831773184.

The previous prime is 56455173109. The next prime is 56455173133. The reversal of 56455173130 is 3137155465.

It can be written as a sum of positive squares in 8 ways, for example, as 23933018209 + 32522154921 = 154703^2 + 180339^2 .

It is not an unprimeable number, because it can be changed into a prime (56455173133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427839 + ... + 544018.

Almost surely, 256455173130 is an apocalyptic number.

56455173130 is a deficient number, since it is larger than the sum of its proper divisors (48575464646).

56455173130 is a wasteful number, since it uses less digits than its factorization.

56455173130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972058.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 56455173130 in words is "fifty-six billion, four hundred fifty-five million, one hundred seventy-three thousand, one hundred thirty".

Divisors: 1 2 5 10 37 74 157 185 314 370 785 1570 5809 11618 29045 58090 971857 1943714 4859285 9718570 35958709 71917418 152581549 179793545 305163098 359587090 762907745 1525815490 5645517313 11291034626 28227586565 56455173130