Base | Representation |
---|---|
bin | 11100011111001010… |
… | …111111110000011000 |
3 | 2220221201020120011120 |
4 | 130133022333300120 |
5 | 1000120430403402 |
6 | 22015105325240 |
7 | 2131664363661 |
oct | 343712776030 |
9 | 86851216146 |
10 | 30587747352 |
11 | 11a76a93348 |
12 | 5b17936820 |
13 | 2b660909b6 |
14 | 16a2522368 |
15 | be05263bc |
hex | 71f2bfc18 |
30587747352 has 32 divisors (see below), whose sum is σ = 80967567600. Its totient is φ = 9596155904.
The previous prime is 30587747339. The next prime is 30587747371. The reversal of 30587747352 is 25374778503.
It is a super-3 number, since 3×305877473523 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a junction number, because it is equal to n+sod(n) for n = 30587747295 and 30587747304.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37484577 + ... + 37485392.
Almost surely, 230587747352 is an apocalyptic number.
It is an amenable number.
30587747352 is an abundant number, since it is smaller than the sum of its proper divisors (50379820248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30587747352 is a wasteful number, since it uses less digits than its factorization.
30587747352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74969995 (or 74969991 counting only the distinct ones).
The product of its (nonzero) digits is 4939200, while the sum is 51.
The spelling of 30587747352 in words is "thirty billion, five hundred eighty-seven million, seven hundred forty-seven thousand, three hundred fifty-two".
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