Base | Representation |
---|---|
bin | 11100100011001011… |
… | …101101011011101111 |
3 | 2221010101212112212111 |
4 | 130203023231123233 |
5 | 1000240142341221 |
6 | 22025511544451 |
7 | 2133442366054 |
oct | 344313553357 |
9 | 87111775774 |
10 | 30655043311 |
11 | 12000a77842 |
12 | 5b3638b127 |
13 | 2b76cc37a9 |
14 | 16ab43d02b |
15 | be63babe1 |
hex | 7232ed6ef |
30655043311 has 16 divisors (see below), whose sum is σ = 31870316160. Its totient is φ = 29450615040.
The previous prime is 30655043299. The next prime is 30655043323. The reversal of 30655043311 is 11334055603.
It is an interprime number because it is at equal distance from previous prime (30655043299) and next prime (30655043323).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30655043311 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 (30655043371) 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, 7487581 + ... + 7491673.
It is an arithmetic number, because the mean of its divisors is an integer number (1991894760).
Almost surely, 230655043311 is an apocalyptic number.
30655043311 is a deficient number, since it is larger than the sum of its proper divisors (1215272849).
30655043311 is a wasteful number, since it uses less digits than its factorization.
30655043311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5346.
The product of its (nonzero) digits is 16200, while the sum is 31.
Adding to 30655043311 its reverse (11334055603), we get a palindrome (41989098914).
The spelling of 30655043311 in words is "thirty billion, six hundred fifty-five million, forty-three thousand, three hundred eleven".
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