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130120300 = 22525324551
BaseRepresentation
bin1111100000101…
…11101001101100
3100001211210111101
413300113221230
5231302322200
620524532444
73140001322
oct760275154
9301753441
10130120300
11674a4342
12376b1124
1320c5b47b
14133d1d12
15b65426a
hex7c17a6c

130120300 has 36 divisors (see below), whose sum is σ = 287700336. Its totient is φ = 51064000.

The previous prime is 130120283. The next prime is 130120301. The reversal of 130120300 is 3021031.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (130120301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6976 + ... + 17575.

It is an arithmetic number, because the mean of its divisors is an integer number (7991676).

Almost surely, 2130120300 is an apocalyptic number.

130120300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130120300 is an abundant number, since it is smaller than the sum of its proper divisors (157580036).

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

130120300 is a wasteful number, since it uses less digits than its factorization.

130120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24618 (or 24611 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 130120300 is about 11407.0285350743. The cubic root of 130120300 is about 506.7359140887.

Adding to 130120300 its reverse (3021031), we get a palindrome (133141331).

The spelling of 130120300 in words is "one hundred thirty million, one hundred twenty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 53 100 106 212 265 530 1060 1325 2650 5300 24551 49102 98204 122755 245510 491020 613775 1227550 1301203 2455100 2602406 5204812 6506015 13012030 26024060 32530075 65060150 130120300