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51140149130 = 2573123566889
BaseRepresentation
bin101111101000001100…
…001011111110001010
311220000001012202012102
4233220030023332022
51314213334233010
635254330513402
73460205044460
oct575014137612
9156001182172
1051140149130
111a76330aa64
129ab2895862
134a9003a095
142691d20830
1514e4a0bba5
hexbe830bf8a

51140149130 has 32 divisors (see below), whose sum is σ = 108596229120. Its totient is φ = 16968159360.

The previous prime is 51140149127. The next prime is 51140149157. The reversal of 51140149130 is 3194104115.

It is a junction number, because it is equal to n+sod(n) for n = 51140149093 and 51140149102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11781275 + ... + 11785614.

It is an arithmetic number, because the mean of its divisors is an integer number (3393632160).

Almost surely, 251140149130 is an apocalyptic number.

51140149130 is an abundant number, since it is smaller than the sum of its proper divisors (57456079990).

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

51140149130 is a wasteful number, since it uses less digits than its factorization.

51140149130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23566934.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 51140149130 in words is "fifty-one billion, one hundred forty million, one hundred forty-nine thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 23566889 47133778 117834445 164968223 235668890 329936446 730573559 824841115 1461147118 1649682230 3652867795 5114014913 7305735590 10228029826 25570074565 51140149130