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130625271320 = 23519171875357
BaseRepresentation
bin111100110100111011…
…1110111011000011000
3110111011111111022121212
41321221313313120120
54120010032140240
6140001452522252
712303005325545
oct1715167673030
9414144438555
10130625271320
1150441618795
1221396180388
13c4195aac6b
14647254dbcc
1535e7bc4165
hex1e69df7618

130625271320 has 32 divisors (see below), whose sum is σ = 309375644400. Its totient is φ = 49500102528.

The previous prime is 130625271289. The next prime is 130625271323. The reversal of 130625271320 is 23172526031.

It is a super-2 number, since 2×1306252713202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130625271323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85936919 + ... + 85938438.

Almost surely, 2130625271320 is an apocalyptic number.

130625271320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130625271320 is an abundant number, since it is smaller than the sum of its proper divisors (178750373080).

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

130625271320 is a wasteful number, since it uses less digits than its factorization.

130625271320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171875387 (or 171875383 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 130625271320 its reverse (23172526031), we get a palindrome (153797797351).

The spelling of 130625271320 in words is "one hundred thirty billion, six hundred twenty-five million, two hundred seventy-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 171875357 343750714 687501428 859376785 1375002856 1718753570 3265631783 3437507140 6531263566 6875014280 13062527132 16328158915 26125054264 32656317830 65312635660 130625271320