Base | Representation |
---|---|
bin | 11100010000100111… |
… | …110010111011101101 |
3 | 2220022200220120010210 |
4 | 130100213302323231 |
5 | 444120432420030 |
6 | 21534545253033 |
7 | 2122641450066 |
oct | 342047627355 |
9 | 86280816123 |
10 | 30343638765 |
11 | 11961213a10 |
12 | 5a6a034179 |
13 | 2b27631a4b |
14 | 167bd3b56d |
15 | bc8da7bb0 |
hex | 7109f2eed |
30343638765 has 64 divisors (see below), whose sum is σ = 54700738560. Its totient is φ = 14233962240.
The previous prime is 30343638737. The next prime is 30343638769. The reversal of 30343638765 is 56783634303.
It is a happy number.
It is not a de Polignac number, because 30343638765 - 25 = 30343638733 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30343638769) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1078912 + ... + 1106678.
It is an arithmetic number, because the mean of its divisors is an integer number (854699040).
Almost surely, 230343638765 is an apocalyptic number.
It is an amenable number.
30343638765 is a deficient number, since it is larger than the sum of its proper divisors (24357099795).
30343638765 is a wasteful number, since it uses less digits than its factorization.
30343638765 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28002.
The product of its (nonzero) digits is 3265920, while the sum is 48.
The spelling of 30343638765 in words is "thirty billion, three hundred forty-three million, six hundred thirty-eight thousand, seven hundred sixty-five".
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