Base | Representation |
---|---|
bin | 1111101000001… |
… | …10111100001110 |
3 | 100010200120222111 |
4 | 13310012330032 |
5 | 232030203210 |
6 | 21001534234 |
7 | 3151222666 |
oct | 764067416 |
9 | 303616874 |
10 | 131100430 |
11 | 6800376a |
12 | 37aa437a |
13 | 21212626 |
14 | 135a91a6 |
15 | b79988a |
hex | 7d06f0e |
131100430 has 16 divisors (see below), whose sum is σ = 249862320. Its totient is φ = 49355392.
The previous prime is 131100427. The next prime is 131100433. The reversal of 131100430 is 34001131.
It is an interprime number because it is at equal distance from previous prime (131100427) and next prime (131100433).
It is a self number, because there is not a number n which added to its sum of digits gives 131100430.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131100433) 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, 385420 + ... + 385759.
It is an arithmetic number, because the mean of its divisors is an integer number (15616395).
Almost surely, 2131100430 is an apocalyptic number.
131100430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131100430 is a deficient number, since it is larger than the sum of its proper divisors (118761890).
131100430 is a wasteful number, since it uses less digits than its factorization.
131100430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 771203.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 131100430 is about 11449.9096066301. The cubic root of 131100430 is about 508.0050607097.
Adding to 131100430 its reverse (34001131), we get a palindrome (165101561).
The spelling of 131100430 in words is "one hundred thirty-one million, one hundred thousand, four hundred thirty".
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