Base | Representation |
---|---|
bin | 111101001100001000… |
… | …1011010010110101011 |
3 | 110120011202021121121102 |
4 | 1322120101122112223 |
5 | 4123103323020412 |
6 | 140211021432015 |
7 | 12331210122542 |
oct | 1723021322653 |
9 | 416152247542 |
10 | 131403720107 |
11 | 50800a798a0 |
12 | 21572a0b60b |
13 | c51195664a |
14 | 6507aa9159 |
15 | 36411e08c2 |
hex | 1e9845a5ab |
131403720107 has 4 divisors (see below), whose sum is σ = 143349512856. Its totient is φ = 119457927360.
The previous prime is 131403720101. The next prime is 131403720109. The reversal of 131403720107 is 701027304131.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131403720107 - 214 = 131403703723 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131403720107.
It is not an unprimeable number, because it can be changed into a prime (131403720101) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 5972896358 + ... + 5972896379.
It is an arithmetic number, because the mean of its divisors is an integer number (35837378214).
Almost surely, 2131403720107 is an apocalyptic number.
131403720107 is a deficient number, since it is larger than the sum of its proper divisors (11945792749).
131403720107 is a wasteful number, since it uses less digits than its factorization.
131403720107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11945792748.
The product of its (nonzero) digits is 3528, while the sum is 29.
The spelling of 131403720107 in words is "one hundred thirty-one billion, four hundred three million, seven hundred twenty thousand, one hundred seven".
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