Base | Representation |
---|---|
bin | 11101011011111111… |
… | …000011010001110100 |
3 | 10000120211002002200002 |
4 | 131123333003101310 |
5 | 1004213123314403 |
6 | 22304233410432 |
7 | 2166163534652 |
oct | 353377032164 |
9 | 100524062602 |
10 | 31608026228 |
11 | 1244a9a7a29 |
12 | 6161569a18 |
13 | 2c9957b1cc |
14 | 175bc2bdd2 |
15 | c4edb1188 |
hex | 75bfc3474 |
31608026228 has 48 divisors (see below), whose sum is σ = 56721772800. Its totient is φ = 15407400960.
The previous prime is 31608026201. The next prime is 31608026243. The reversal of 31608026228 is 82262080613.
It is a junction number, because it is equal to n+sod(n) for n = 31608026191 and 31608026200.
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, 25971476 + ... + 25972692.
It is an arithmetic number, because the mean of its divisors is an integer number (1181703600).
Almost surely, 231608026228 is an apocalyptic number.
It is an amenable number.
31608026228 is a deficient number, since it is larger than the sum of its proper divisors (25113746572).
31608026228 is a wasteful number, since it uses less digits than its factorization.
31608026228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2240 (or 2238 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 38.
The spelling of 31608026228 in words is "thirty-one billion, six hundred eight million, twenty-six thousand, two hundred twenty-eight".
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