Base | Representation |
---|---|
bin | 1111101000111… |
… | …11011010110111 |
3 | 100010212200112000 |
4 | 13310133122313 |
5 | 232041410240 |
6 | 21004030343 |
7 | 3152121213 |
oct | 764373267 |
9 | 303780460 |
10 | 131200695 |
11 | 6807202a |
12 | 37b323b3 |
13 | 21249162 |
14 | 135d3943 |
15 | b7b9430 |
hex | 7d1f6b7 |
131200695 has 16 divisors (see below), whose sum is σ = 233245920. Its totient is φ = 69973632.
The previous prime is 131200651. The next prime is 131200703. The reversal of 131200695 is 596002131.
It is not a de Polignac number, because 131200695 - 29 = 131200183 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485794 + ... + 486063.
It is an arithmetic number, because the mean of its divisors is an integer number (14577870).
Almost surely, 2131200695 is an apocalyptic number.
131200695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131200695 is a deficient number, since it is larger than the sum of its proper divisors (102045225).
131200695 is an equidigital number, since it uses as much as digits as its factorization.
131200695 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 971871 (or 971865 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 27.
The square root of 131200695 is about 11454.2871886469. The cubic root of 131200695 is about 508.1345343454.
The spelling of 131200695 in words is "one hundred thirty-one million, two hundred thousand, six hundred ninety-five".
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