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130320320 = 2651331327
BaseRepresentation
bin1111100010010…
…00011111000000
3100002012221212112
413301020133000
5231330222240
620533114452
73141463424
oct761103700
9302187775
10130320320
1167620649
1237788a28
1320ccb520
1413444b84
15b693665
hex7c487c0

130320320 has 56 divisors (see below), whose sum is σ = 334207104. Its totient is φ = 48116736.

The previous prime is 130320319. The next prime is 130320343. The reversal of 130320320 is 23023031.

It is a junction number, because it is equal to n+sod(n) for n = 130320295 and 130320304.

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, 11504 + ... + 19823.

It is an arithmetic number, because the mean of its divisors is an integer number (5967984).

Almost surely, 2130320320 is an apocalyptic number.

130320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130320320 is an abundant number, since it is smaller than the sum of its proper divisors (203886784).

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

130320320 is a wasteful number, since it uses less digits than its factorization.

130320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31357 (or 31347 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 130320320 is about 11415.7925699445. The cubic root of 130320320 is about 506.9954314395.

Adding to 130320320 its reverse (23023031), we get a palindrome (153343351).

The spelling of 130320320 in words is "one hundred thirty million, three hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 130 160 208 260 320 416 520 832 1040 2080 4160 31327 62654 125308 156635 250616 313270 407251 501232 626540 814502 1002464 1253080 1629004 2004928 2036255 2506160 3258008 4072510 5012320 6516016 8145020 10024640 13032032 16290040 26064064 32580080 65160160 130320320