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130022312 = 2372329592
BaseRepresentation
bin1111011111111…
…11101110101000
3100001122211002012
413233333232220
5231241203222
620522455052
73136112540
oct757775650
9301584065
10130022312
1167437762
1237664488
1320c259a4
14133a8320
15b6351e2
hex7bffba8

130022312 has 96 divisors (see below), whose sum is σ = 305942400. Its totient is φ = 50590848.

The previous prime is 130022311. The next prime is 130022383. The reversal of 130022312 is 213220031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (130022311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2203739 + ... + 2203797.

It is an arithmetic number, because the mean of its divisors is an integer number (3186900).

Almost surely, 2130022312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130022312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152971200).

130022312 is an abundant number, since it is smaller than the sum of its proper divisors (175920088).

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

130022312 is a wasteful number, since it uses less digits than its factorization.

130022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 130022312 is about 11402.7326549385. The cubic root of 130022312 is about 506.6086818068.

Adding to 130022312 its reverse (213220031), we get a palindrome (343242343).

The spelling of 130022312 in words is "one hundred thirty million, twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 23 28 29 46 56 58 59 92 116 118 161 184 203 232 236 322 406 413 472 644 667 812 826 1288 1334 1357 1624 1652 1711 2668 2714 3304 3422 3481 4669 5336 5428 6844 6962 9338 9499 10856 11977 13688 13924 18676 18998 23954 24367 27848 37352 37996 39353 47908 48734 75992 78706 80063 95816 97468 100949 157412 160126 194936 201898 275471 314824 320252 403796 550942 560441 640504 706643 807592 1101884 1120882 1413286 2203768 2241764 2321827 2826572 4483528 4643654 5653144 9287308 16252789 18574616 32505578 65011156 130022312