Base | Representation |
---|---|
bin | 1110000001010010100011… |
… | …10001110010011000110111 |
3 | 11001011101021211001110000200 |
4 | 13000221101301302120313 |
5 | 13020112131144203011 |
6 | 145323223120411543 |
7 | 6331304115516525 |
oct | 700512161623067 |
9 | 131141254043020 |
10 | 30830647256631 |
11 | 9907227694312 |
12 | 355b229476bb3 |
13 | 14284188b40b1 |
14 | 7882d5ac5315 |
15 | 386e98949856 |
hex | 1c0a51c72637 |
30830647256631 has 12 divisors (see below), whose sum is σ = 44537080576560. Its totient is φ = 20551954024800.
The previous prime is 30830647256627. The next prime is 30830647256639. The reversal of 30830647256631 is 13665274603803.
30830647256631 is a `hidden beast` number, since 3 + 0 + 8 + 3 + 0 + 6 + 4 + 72 + 566 + 3 + 1 = 666.
It is not a de Polignac number, because 30830647256631 - 22 = 30830647256627 is a prime.
It is a super-3 number, since 3×308306472566313 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30830647256639) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150793246 + ... + 150997563.
It is an arithmetic number, because the mean of its divisors is an integer number (3711423381380).
Almost surely, 230830647256631 is an apocalyptic number.
30830647256631 is a deficient number, since it is larger than the sum of its proper divisors (13706433319929).
30830647256631 is a wasteful number, since it uses less digits than its factorization.
30830647256631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301802166 (or 301802163 counting only the distinct ones).
The product of its (nonzero) digits is 13063680, while the sum is 54.
The spelling of 30830647256631 in words is "thirty trillion, eight hundred thirty billion, six hundred forty-seven million, two hundred fifty-six thousand, six hundred thirty-one".
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