Base | Representation |
---|---|
bin | 11100000001000111… |
… | …100010110011100101 |
3 | 2212122120110110022112 |
4 | 130001013202303211 |
5 | 443102340311421 |
6 | 21453054210405 |
7 | 2113332515324 |
oct | 340107426345 |
9 | 85576413275 |
10 | 30083525861 |
11 | 11838403274 |
12 | 59b6ab3a05 |
13 | 2ab578b29c |
14 | 165558c0bb |
15 | bb112745b |
hex | 7011e2ce5 |
30083525861 has 8 divisors (see below), whose sum is σ = 30245988864. Its totient is φ = 29921114880.
The previous prime is 30083525831. The next prime is 30083525867. The reversal of 30083525861 is 16852538003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30083525861 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 (30083525867) 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, 1879685 + ... + 1895621.
It is an arithmetic number, because the mean of its divisors is an integer number (3780748608).
Almost surely, 230083525861 is an apocalyptic number.
It is an amenable number.
30083525861 is a deficient number, since it is larger than the sum of its proper divisors (162463003).
30083525861 is a wasteful number, since it uses less digits than its factorization.
30083525861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26011.
The product of its (nonzero) digits is 172800, while the sum is 41.
The spelling of 30083525861 in words is "thirty billion, eighty-three million, five hundred twenty-five thousand, eight hundred sixty-one".
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