Base | Representation |
---|---|
bin | 111101001111011010… |
… | …0001100010101001101 |
3 | 110120110101212001200121 |
4 | 1322132310030111031 |
5 | 4123314424013010 |
6 | 140225542424541 |
7 | 12334012212505 |
oct | 1723664142515 |
9 | 416411761617 |
10 | 131513501005 |
11 | 50857a40907 |
12 | 215a3732151 |
13 | c52b613063 |
14 | 65184c4a05 |
15 | 364ab783da |
hex | 1e9ed0c54d |
131513501005 has 16 divisors (see below), whose sum is σ = 160165051200. Its totient is φ = 103656458880.
The previous prime is 131513500999. The next prime is 131513501023. The reversal of 131513501005 is 500105315131.
It is a happy number.
It is not a de Polignac number, because 131513501005 - 23 = 131513500997 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631200 + ... + 813289.
It is an arithmetic number, because the mean of its divisors is an integer number (10010315700).
Almost surely, 2131513501005 is an apocalyptic number.
It is an amenable number.
131513501005 is a deficient number, since it is larger than the sum of its proper divisors (28651550195).
131513501005 is a wasteful number, since it uses less digits than its factorization.
131513501005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1444764.
The product of its (nonzero) digits is 1125, while the sum is 25.
Adding to 131513501005 its reverse (500105315131), we get a palindrome (631618816136).
The spelling of 131513501005 in words is "one hundred thirty-one billion, five hundred thirteen million, five hundred one thousand, five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •