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130103112 = 2335420963
BaseRepresentation
bin1111100000100…
…11011101001000
3100001210220220210
413300103131020
5231301244422
620524321120
73136600236
oct760233510
9301726823
10130103112
1167492437
12376a31a0
1320c536b9
14133c9956
15b64e10c
hex7c13748

130103112 has 16 divisors (see below), whose sum is σ = 325257840. Its totient is φ = 43367696.

The previous prime is 130103101. The next prime is 130103117. The reversal of 130103112 is 211301031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (130103117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2710458 + ... + 2710505.

It is an arithmetic number, because the mean of its divisors is an integer number (20328615).

Almost surely, 2130103112 is an apocalyptic number.

130103112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130103112 is an abundant number, since it is smaller than the sum of its proper divisors (195154728).

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

130103112 is a wasteful number, since it uses less digits than its factorization.

130103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420972 (or 5420968 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 130103112 is about 11406.2751150408. The cubic root of 130103112 is about 506.7136009923.

Adding to 130103112 its reverse (211301031), we get a palindrome (341404143).

The spelling of 130103112 in words is "one hundred thirty million, one hundred three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 5420963 10841926 16262889 21683852 32525778 43367704 65051556 130103112