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130195360 = 255813721
BaseRepresentation
bin1111100001010…
…01111110100000
3100001222121110101
413300221332200
5231312222420
620530312144
73140433211
oct760517640
9301877411
10130195360
1167545779
1237728654
1320c86699
1413411408
15b66b60a
hex7c29fa0

130195360 has 24 divisors (see below), whose sum is σ = 307586916. Its totient is φ = 52078080.

The previous prime is 130195343. The next prime is 130195361. The reversal of 130195360 is 63591031.

It can be written as a sum of positive squares in 2 ways, for example, as 121969936 + 8225424 = 11044^2 + 2868^2 .

It is not an unprimeable number, because it can be changed into a prime (130195361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406701 + ... + 407020.

Almost surely, 2130195360 is an apocalyptic number.

130195360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130195360 is an abundant number, since it is smaller than the sum of its proper divisors (177391556).

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

130195360 is an equidigital number, since it uses as much as digits as its factorization.

130195360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813736 (or 813728 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 130195360 is about 11410.3181375455. The cubic root of 130195360 is about 506.8333323661.

The spelling of 130195360 in words is "one hundred thirty million, one hundred ninety-five thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 813721 1627442 3254884 4068605 6509768 8137210 13019536 16274420 26039072 32548840 65097680 130195360