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130131210 = 235111792203
BaseRepresentation
bin1111100000110…
…10010100001010
3100001212100110110
413300122110022
5231303144320
620525055150
73140045166
oct760322412
9301770413
10130131210
1167501560
12376b74b6
1320c63421
14133d5ca6
15b6575e0
hex7c1a50a

130131210 has 64 divisors (see below), whose sum is σ = 342766080. Its totient is φ = 31356480.

The previous prime is 130131191. The next prime is 130131229. The reversal of 130131210 is 12131031.

It is an interprime number because it is at equal distance from previous prime (130131191) and next prime (130131229).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57969 + ... + 60171.

It is an arithmetic number, because the mean of its divisors is an integer number (5355720).

Almost surely, 2130131210 is an apocalyptic number.

130131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130131210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171383040).

130131210 is an abundant number, since it is smaller than the sum of its proper divisors (212634870).

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

130131210 is a wasteful number, since it uses less digits than its factorization.

130131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403.

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

The square root of 130131210 is about 11407.5067389855. The cubic root of 130131210 is about 506.7500761995.

Adding to 130131210 its reverse (12131031), we get a palindrome (142262241).

The spelling of 130131210 in words is "one hundred thirty million, one hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 179 330 358 537 895 1074 1790 1969 2203 2685 3938 4406 5370 5907 6609 9845 11015 11814 13218 19690 22030 24233 29535 33045 48466 59070 66090 72699 121165 145398 242330 363495 394337 726990 788674 1183011 1971685 2366022 3943370 4337707 5915055 8675414 11830110 13013121 21688535 26026242 43377070 65065605 130131210