Base | Representation |
---|---|
bin | 11100100001110000… |
… | …101100111010100100 |
3 | 2221001201222110220111 |
4 | 130201300230322210 |
5 | 1000213040423314 |
6 | 22023300342404 |
7 | 2133032533342 |
oct | 344160547244 |
9 | 87051873814 |
10 | 30631186084 |
11 | 11a99562524 |
12 | 5b2a3a4a04 |
13 | 2b7208c7a5 |
14 | 16a81cc992 |
15 | be4256ec4 |
hex | 721c2cea4 |
30631186084 has 12 divisors (see below), whose sum is σ = 55453009500. Its totient is φ = 14787469088.
The previous prime is 30631186063. The next prime is 30631186127. The reversal of 30631186084 is 48068113603.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 5896704100 + 24734481984 = 76790^2 + 157272^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132030859 + ... + 132031090.
It is an arithmetic number, because the mean of its divisors is an integer number (4621084125).
Almost surely, 230631186084 is an apocalyptic number.
It is an amenable number.
30631186084 is a deficient number, since it is larger than the sum of its proper divisors (24821823416).
30631186084 is a wasteful number, since it uses less digits than its factorization.
30631186084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 264061982 (or 264061980 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 40.
Adding to 30631186084 its reverse (48068113603), we get a palindrome (78699299687).
The spelling of 30631186084 in words is "thirty billion, six hundred thirty-one million, one hundred eighty-six thousand, eighty-four".
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