Base | Representation |
---|---|
bin | 11100011100001011… |
… | …101101001111100101 |
3 | 2220211012212220201002 |
4 | 130130023231033211 |
5 | 1000020111231041 |
6 | 22010114443045 |
7 | 2130515222453 |
oct | 343413551745 |
9 | 86735786632 |
10 | 30537602021 |
11 | 11a50753423 |
12 | 5b02b93485 |
13 | 2b588843c4 |
14 | 16999cb9d3 |
15 | bdae1d59b |
hex | 71c2ed3e5 |
30537602021 has 8 divisors (see below), whose sum is σ = 31944798144. Its totient is φ = 29137028800.
The previous prime is 30537601999. The next prime is 30537602033. The reversal of 30537602021 is 12020673503.
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 30537602021 - 222 = 30533407717 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30537602321) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646291 + ... + 1664736.
It is an arithmetic number, because the mean of its divisors is an integer number (3993099768).
Almost surely, 230537602021 is an apocalyptic number.
It is an amenable number.
30537602021 is a deficient number, since it is larger than the sum of its proper divisors (1407196123).
30537602021 is a wasteful number, since it uses less digits than its factorization.
30537602021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3311451.
The product of its (nonzero) digits is 7560, while the sum is 29.
The spelling of 30537602021 in words is "thirty billion, five hundred thirty-seven million, six hundred two thousand, twenty-one".
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