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130231121140 = 22533191961903
BaseRepresentation
bin111100101001001100…
…0010011010011110100
3110110011000211102020001
41321102120103103310
54113203131334030
6135454412521044
712260151156631
oct1712230232364
9413130742201
10130231121140
115025a08893a
12212a6180184
13c385a371c3
14643606d188
1535c32b8cca
hex1e526134f4

130231121140 has 24 divisors (see below), whose sum is σ = 273567893760. Its totient is φ = 52076726688.

The previous prime is 130231121113. The next prime is 130231121161. The reversal of 130231121140 is 41121132031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914572 + ... + 1047331.

It is an arithmetic number, because the mean of its divisors is an integer number (11398662240).

Almost surely, 2130231121140 is an apocalyptic number.

130231121140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130231121140 is an abundant number, since it is smaller than the sum of its proper divisors (143336772620).

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

130231121140 is a wasteful number, since it uses less digits than its factorization.

130231121140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965231 (or 1965229 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 130231121140 its reverse (41121132031), we get a palindrome (171352253171).

The spelling of 130231121140 in words is "one hundred thirty billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 3319 6638 13276 16595 33190 66380 1961903 3923806 7847612 9809515 19619030 39238060 6511556057 13023112114 26046224228 32557780285 65115560570 130231121140