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130686500 = 2253737339
BaseRepresentation
bin1111100101000…
…01111000100100
3100002220120011202
413302201320210
5231423432000
620545022032
73144550130
oct762417044
9302816152
10130686500
116785077a
1237924918
13210c90b9
14134dc3c0
15b716dd5
hex7ca1e24

130686500 has 48 divisors (see below), whose sum is σ = 326202240. Its totient is φ = 44805600.

The previous prime is 130686487. The next prime is 130686509. The reversal of 130686500 is 5686031.

It is a super-2 number, since 2×1306865002 = 34157922564500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130686509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15170 + ... + 22169.

It is an arithmetic number, because the mean of its divisors is an integer number (6795880).

Almost surely, 2130686500 is an apocalyptic number.

130686500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130686500 is an abundant number, since it is smaller than the sum of its proper divisors (195515740).

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

130686500 is a wasteful number, since it uses less digits than its factorization.

130686500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37365 (or 37353 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 130686500 is about 11431.8196276883. The cubic root of 130686500 is about 507.4698470279.

The spelling of 130686500 in words is "one hundred thirty million, six hundred eighty-six thousand, five hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 125 140 175 250 350 500 700 875 1750 3500 37339 74678 149356 186695 261373 373390 522746 746780 933475 1045492 1306865 1866950 2613730 3733900 4667375 5227460 6534325 9334750 13068650 18669500 26137300 32671625 65343250 130686500