Base | Representation |
---|---|
bin | 11100100010001010… |
… | …101100000001010010 |
3 | 2221002012210120022200 |
4 | 130202022230001102 |
5 | 1000221311420122 |
6 | 22024102344030 |
7 | 2133144454542 |
oct | 344212540122 |
9 | 87065716280 |
10 | 30637998162 |
11 | 11aa2395542 |
12 | 5b3072b016 |
13 | 2b736062c5 |
14 | 16a9083322 |
15 | be4b505ac |
hex | 7222ac052 |
30637998162 has 24 divisors (see below), whose sum is σ = 70287172956. Its totient is φ = 9611920896.
The previous prime is 30637998133. The next prime is 30637998163. The reversal of 30637998162 is 26189973603.
It can be written as a sum of positive squares in 2 ways, for example, as 26169209361 + 4468788801 = 161769^2 + 66849^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30637998099 and 30637998108.
It is not an unprimeable number, because it can be changed into a prime (30637998163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50061783 + ... + 50062394.
Almost surely, 230637998162 is an apocalyptic number.
30637998162 is an abundant number, since it is smaller than the sum of its proper divisors (39649174794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30637998162 is a wasteful number, since it uses less digits than its factorization.
30637998162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100124202 (or 100124199 counting only the distinct ones).
The product of its (nonzero) digits is 2939328, while the sum is 54.
The spelling of 30637998162 in words is "thirty billion, six hundred thirty-seven million, nine hundred ninety-eight thousand, one hundred sixty-two".
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