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130244479236 = 2232601492
BaseRepresentation
bin111100101001100101…
…1010000100100000100
3110110011221222002002100
41321103023100210010
54113220041313421
6135500011112100
712260402543544
oct1712313204404
9413157862070
10130244479236
1150266681a93
12212aa742630
13c3887333c1
146437b49324
1535c4556c26
hex1e532d0904

130244479236 has 27 divisors (see below), whose sum is σ = 329234573941. Its totient is φ = 43414104624.

The previous prime is 130244479181. The next prime is 130244479247. The reversal of 130244479236 is 632974442031.

The square root of 130244479236 is 360894.

It is a perfect power (a square), and thus also a powerful number.

130244479236 is a `hidden beast` number, since 1 + 302 + 4 + 44 + 79 + 236 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37560765636 + 92683713600 = 193806^2 + 304440^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130244479191 and 130244479200.

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, 2135290 + ... + 2195438.

Almost surely, 2130244479236 is an apocalyptic number.

130244479236 is the 360894-th square number.

It is an amenable number.

130244479236 is an abundant number, since it is smaller than the sum of its proper divisors (198990094705).

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

130244479236 is an frugal number, since it uses more digits than its factorization.

130244479236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120308 (or 60154 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 130244479236 in words is "one hundred thirty billion, two hundred forty-four million, four hundred seventy-nine thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 60149 120298 180447 240596 360894 541341 721788 1082682 2165364 3617902201 7235804402 10853706603 14471608804 21707413206 32561119809 43414826412 65122239618 130244479236