Base | Representation |
---|---|
bin | 11100000100010101… |
… | …100101010001000000 |
3 | 2212210100002112111022 |
4 | 130010111211101000 |
5 | 443210202200400 |
6 | 21502304005012 |
7 | 2114556562052 |
oct | 340425452100 |
9 | 85710075438 |
10 | 30137537600 |
11 | 11865944075 |
12 | 5a11000768 |
13 | 2ac3a1c6b1 |
14 | 165c80b8d2 |
15 | bb5c45b85 |
hex | 704565440 |
30137537600 has 84 divisors (see below), whose sum is σ = 74334985188. Its totient is φ = 12026112000.
The previous prime is 30137537579. The next prime is 30137537611. The reversal of 30137537600 is 673573103.
It can be written as a sum of positive squares in 6 ways, for example, as 17390224384 + 12747313216 = 131872^2 + 112904^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651230 + ... + 695970.
Almost surely, 230137537600 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30137537600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37167492594).
30137537600 is an abundant number, since it is smaller than the sum of its proper divisors (44197447588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30137537600 is a wasteful number, since it uses less digits than its factorization.
30137537600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45184 (or 45169 counting only the distinct ones).
The product of its (nonzero) digits is 39690, while the sum is 35.
The spelling of 30137537600 in words is "thirty billion, one hundred thirty-seven million, five hundred thirty-seven thousand, six hundred".
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