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130220313210 = 232513111299413
BaseRepresentation
bin111100101000110111…
…1000100101001111010
3110110010021111022112100
41321101233010221322
54113142400010320
6135453345124230
712256660253631
oct1712157045172
9413107438470
10130220313210
1150253a76769
12212a2629676
13c383721990
146434858518
1535c2381790
hex1e51bc4a7a

130220313210 has 48 divisors (see below), whose sum is σ = 364616880264. Its totient is φ = 32054230656.

The previous prime is 130220313193. The next prime is 130220313229. The reversal of 130220313210 is 12313022031.

130220313210 is a `hidden beast` number, since 130 + 220 + 313 + 2 + 1 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 118489473729 + 11730839481 = 344223^2 + 108309^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55648537 + ... + 55650876.

Almost surely, 2130220313210 is an apocalyptic number.

130220313210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130220313210 is an abundant number, since it is smaller than the sum of its proper divisors (234396567054).

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

130220313210 is a wasteful number, since it uses less digits than its factorization.

130220313210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111299439 (or 111299436 counting only the distinct ones).

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

Adding to 130220313210 its reverse (12313022031), we get a palindrome (142533335241).

The spelling of 130220313210 in words is "one hundred thirty billion, two hundred twenty million, three hundred thirteen thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 111299413 222598826 333898239 556497065 667796478 1001694717 1112994130 1446892369 1669491195 2003389434 2893784738 3338982390 4340677107 5008473585 7234461845 8681354214 10016947170 13022031321 14468923690 21703385535 26044062642 43406771070 65110156605 130220313210