Base | Representation |
---|---|
bin | 11100010001110100… |
… | …111101111001110010 |
3 | 2220101002222100111211 |
4 | 130101310331321302 |
5 | 444141122300121 |
6 | 21540551030334 |
7 | 2123305424536 |
oct | 342164757162 |
9 | 86332870454 |
10 | 30363868786 |
11 | 11971681039 |
12 | 5a7496b3aa |
13 | 2b2b895a84 |
14 | 16808c5bc6 |
15 | bcaa51ce1 |
hex | 711d3de72 |
30363868786 has 4 divisors (see below), whose sum is σ = 45545803182. Its totient is φ = 15181934392.
The previous prime is 30363868781. The next prime is 30363868789. The reversal of 30363868786 is 68786836303.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 27533096761 + 2830772025 = 165931^2 + 53205^2 .
It is a super-2 number, since 2×303638687862 (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 30363868786.
It is not an unprimeable number, because it can be changed into a prime (30363868781) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7590967195 + ... + 7590967198.
Almost surely, 230363868786 is an apocalyptic number.
30363868786 is a deficient number, since it is larger than the sum of its proper divisors (15181934396).
30363868786 is a wasteful number, since it uses less digits than its factorization.
30363868786 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15181934395.
The product of its (nonzero) digits is 20901888, while the sum is 58.
The spelling of 30363868786 in words is "thirty billion, three hundred sixty-three million, eight hundred sixty-eight thousand, seven hundred eighty-six".
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