Base | Representation |
---|---|
bin | 111101000110010100… |
… | …1010101111101111110 |
3 | 110112200011020220001111 |
4 | 1322030221111331332 |
5 | 4122203404321011 |
6 | 140135413032234 |
7 | 12323321160604 |
oct | 1721451257576 |
9 | 415604226044 |
10 | 131208667006 |
11 | 5071096558a |
12 | 2151962567a |
13 | c4b0411c01 |
14 | 64c9c13874 |
15 | 362e012121 |
hex | 1e8ca55f7e |
131208667006 has 4 divisors (see below), whose sum is σ = 196813000512. Its totient is φ = 65604333502.
The previous prime is 131208666989. The next prime is 131208667043. The reversal of 131208667006 is 600766802131.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 131208667006.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32802166750 + ... + 32802166753.
It is an arithmetic number, because the mean of its divisors is an integer number (49203250128).
Almost surely, 2131208667006 is an apocalyptic number.
131208667006 is a deficient number, since it is larger than the sum of its proper divisors (65604333506).
131208667006 is an equidigital number, since it uses as much as digits as its factorization.
131208667006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65604333505.
The product of its (nonzero) digits is 72576, while the sum is 40.
The spelling of 131208667006 in words is "one hundred thirty-one billion, two hundred eight million, six hundred sixty-seven thousand, six".
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