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130120700 = 22526719421
BaseRepresentation
bin1111100000101…
…11101111111100
3100001211211001012
413300113233330
5231302330300
620524534352
73140002433
oct760275774
9301754035
10130120700
11674a4676
12376b13b8
1320c5b6c8
14133d211a
15b654435
hex7c17bfc

130120700 has 36 divisors (see below), whose sum is σ = 286591032. Its totient is φ = 51268800.

The previous prime is 130120691. The next prime is 130120741. The reversal of 130120700 is 7021031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3011 + ... + 16410.

It is an arithmetic number, because the mean of its divisors is an integer number (7960862).

Almost surely, 2130120700 is an apocalyptic number.

130120700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130120700 is an abundant number, since it is smaller than the sum of its proper divisors (156470332).

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

130120700 is a wasteful number, since it uses less digits than its factorization.

130120700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19502 (or 19495 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 130120700 is about 11407.0460681107. The cubic root of 130120700 is about 506.7364333369.

Adding to 130120700 its reverse (7021031), we get a palindrome (137141731).

The spelling of 130120700 in words is "one hundred thirty million, one hundred twenty thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 67 100 134 268 335 670 1340 1675 3350 6700 19421 38842 77684 97105 194210 388420 485525 971050 1301207 1942100 2602414 5204828 6506035 13012070 26024140 32530175 65060350 130120700