Base | Representation |
---|---|
bin | 11101001100011110… |
… | …001110100010010111 |
3 | 2222220200100101010021 |
4 | 131030132032202113 |
5 | 1003200011411401 |
6 | 22222335210011 |
7 | 2156553410032 |
oct | 351436164227 |
9 | 88820311107 |
10 | 31347763351 |
11 | 12326aa4643 |
12 | 60aa376907 |
13 | 2c576843c8 |
14 | 1735440019 |
15 | c371012a1 |
hex | 74c78e897 |
31347763351 has 8 divisors (see below), whose sum is σ = 31811187200. Its totient is φ = 30887398872.
The previous prime is 31347763273. The next prime is 31347763399. The reversal of 31347763351 is 15336774313.
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 31347763351 - 217 = 31347632279 is a prime.
It is a super-2 number, since 2×313477633512 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31347763298 and 31347763307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31347763651) 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 7 ways as a sum of consecutive naturals, for example, 744195 + ... + 785188.
It is an arithmetic number, because the mean of its divisors is an integer number (3976398400).
Almost surely, 231347763351 is an apocalyptic number.
31347763351 is a deficient number, since it is larger than the sum of its proper divisors (463423849).
31347763351 is a wasteful number, since it uses less digits than its factorization.
31347763351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1529685.
The product of its digits is 476280, while the sum is 43.
The spelling of 31347763351 in words is "thirty-one billion, three hundred forty-seven million, seven hundred sixty-three thousand, three hundred fifty-one".
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