Base | Representation |
---|---|
bin | 1110010100110101110101… |
… | …01100001111110001110101 |
3 | 11010112121020222022222212001 |
4 | 13022122322230033301311 |
5 | 13112113430102410010 |
6 | 151000002451255301 |
7 | 6430655251331113 |
oct | 712327254176165 |
9 | 133477228288761 |
10 | 31502422310005 |
11 | a046114144839 |
12 | 36494695aa531 |
13 | 147688665318a |
14 | 7aca22602ab3 |
15 | 3996b4b54c3a |
hex | 1ca6bab0fc75 |
31502422310005 has 8 divisors (see below), whose sum is σ = 37840372493400. Its totient is φ = 25176960700416.
The previous prime is 31502422309999. The next prime is 31502422310039. The reversal of 31502422310005 is 50001322420513.
It can be written as a sum of positive squares in 4 ways, for example, as 18573873796 + 31483848436209 = 136286^2 + 5611047^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31502422310005 - 27 = 31502422309877 is a prime.
It is a super-2 number, since 2×315024223100052 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122137900 + ... + 3122147989.
It is an arithmetic number, because the mean of its divisors is an integer number (4730046561675).
Almost surely, 231502422310005 is an apocalyptic number.
It is an amenable number.
31502422310005 is a deficient number, since it is larger than the sum of its proper divisors (6337950183395).
31502422310005 is a wasteful number, since it uses less digits than its factorization.
31502422310005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6244286903.
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 31502422310005 its reverse (50001322420513), we get a palindrome (81503744730518).
The spelling of 31502422310005 in words is "thirty-one trillion, five hundred two billion, four hundred twenty-two million, three hundred ten thousand, five".
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