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130032100 = 225211118211
BaseRepresentation
bin1111100000000…
…10000111100100
3100001200022111201
413300002013210
5231242011400
620523012244
73136153222
oct760020744
9301608451
10130032100
1167444050
123766a084
1320c2a293
14133abb12
15b63806a
hex7c021e4

130032100 has 36 divisors (see below), whose sum is σ = 307824048. Its totient is φ = 47284000.

The previous prime is 130032061. The next prime is 130032103. The reversal of 130032100 is 1230031.

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 (130032103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58006 + ... + 60205.

It is an arithmetic number, because the mean of its divisors is an integer number (8550668).

Almost surely, 2130032100 is an apocalyptic number.

130032100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130032100 is an abundant number, since it is smaller than the sum of its proper divisors (177791948).

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

130032100 is a wasteful number, since it uses less digits than its factorization.

130032100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118236 (or 118229 counting only the distinct ones).

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

The square root of 130032100 is about 11403.1618422260. The cubic root of 130032100 is about 506.6213938849.

Adding to 130032100 its reverse (1230031), we get a palindrome (131262131).

The spelling of 130032100 in words is "one hundred thirty million, thirty-two thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 118211 236422 472844 591055 1182110 1300321 2364220 2600642 2955275 5201284 5910550 6501605 11821100 13003210 26006420 32508025 65016050 130032100