Base | Representation |
---|---|
bin | 1110001111001000110111… |
… | …01000000101111010010001 |
3 | 11002211212111102112011211022 |
4 | 13013210123220011322101 |
5 | 13100411132402142340 |
6 | 150325555354125225 |
7 | 6410550522214301 |
oct | 707443350057221 |
9 | 132755442464738 |
10 | 31306480115345 |
11 | 9a80004959876 |
12 | 36174a4a20815 |
13 | 146125ac14766 |
14 | 7a3355401601 |
15 | 394547a733b5 |
hex | 1c791ba05e91 |
31306480115345 has 8 divisors (see below), whose sum is σ = 39545027514240. Its totient is φ = 23727016508400.
The previous prime is 31306480115329. The next prime is 31306480115387. The reversal of 31306480115345 is 54351108460313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31306480115345 - 24 = 31306480115329 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31306480115296 and 31306480115305.
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, 164770947881 + ... + 164770948070.
It is an arithmetic number, because the mean of its divisors is an integer number (4943128439280).
Almost surely, 231306480115345 is an apocalyptic number.
It is an amenable number.
31306480115345 is a deficient number, since it is larger than the sum of its proper divisors (8238547398895).
31306480115345 is a wasteful number, since it uses less digits than its factorization.
31306480115345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 329541895975.
The product of its (nonzero) digits is 518400, while the sum is 44.
Adding to 31306480115345 its reverse (54351108460313), we get a palindrome (85657588575658).
The spelling of 31306480115345 in words is "thirty-one trillion, three hundred six billion, four hundred eighty million, one hundred fifteen thousand, three hundred forty-five".
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