Base | Representation |
---|---|
bin | 11100011101011111… |
… | …100100001011001000 |
3 | 2220212202020202122022 |
4 | 130131133210023020 |
5 | 1000041223204333 |
6 | 22012221544012 |
7 | 2131203120623 |
oct | 343537441310 |
9 | 86782222568 |
10 | 30559584968 |
11 | 11a620a8550 |
12 | 5b0a415008 |
13 | 2b602b0273 |
14 | 169c8b0dba |
15 | bdcd11c98 |
hex | 71d7e42c8 |
30559584968 has 64 divisors (see below), whose sum is σ = 65136441600. Its totient is φ = 13313681920.
The previous prime is 30559584967. The next prime is 30559584977. The reversal of 30559584968 is 86948595503.
It is a Cunningham number, because it is equal to 1748132-1.
It is a super-2 number, since 2×305595849682 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30559584968.
It is not an unprimeable number, because it can be changed into a prime (30559584967) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305921 + ... + 393327.
It is an arithmetic number, because the mean of its divisors is an integer number (1017756900).
Almost surely, 230559584968 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 30559584968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32568220800).
30559584968 is an abundant number, since it is smaller than the sum of its proper divisors (34576856632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30559584968 is a wasteful number, since it uses less digits than its factorization.
30559584968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87590 (or 87586 counting only the distinct ones).
The product of its (nonzero) digits is 46656000, while the sum is 62.
The spelling of 30559584968 in words is "thirty billion, five hundred fifty-nine million, five hundred eighty-four thousand, nine hundred sixty-eight".
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