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130231102320 = 2433511231671427
BaseRepresentation
bin111100101001001100…
…0001110101101110000
3110110011000210110102000
41321102120032231300
54113203130233240
6135454412254000
712260151051024
oct1712230165560
9413130713360
10130231102320
115025a075790
12212a6171300
13c385a2b777
146436066384
1535c32b3430
hex1e5260eb70

130231102320 has 640 divisors, whose sum is σ = 514047098880. Its totient is φ = 29996651520.

The previous prime is 130231102301. The next prime is 130231102361. The reversal of 130231102320 is 23201132031.

130231102320 is a `hidden beast` number, since 1 + 30 + 2 + 311 + 0 + 2 + 320 = 666.

It is a super-2 number, since 2×1302311023202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 130231102293 and 130231102302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 91261447 + ... + 91262873.

It is an arithmetic number, because the mean of its divisors is an integer number (803198592).

Almost surely, 2130231102320 is an apocalyptic number.

130231102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130231102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257023549440).

130231102320 is an abundant number, since it is smaller than the sum of its proper divisors (383815996560).

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

130231102320 is a wasteful number, since it uses less digits than its factorization.

130231102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 130231102320 its reverse (23201132031), we get a palindrome (153432234351).

The spelling of 130231102320 in words is "one hundred thirty billion, two hundred thirty-one million, one hundred two thousand, three hundred twenty".