Base | Representation |
---|---|
bin | 1101111001011100101100… |
… | …11100101100000101101101 |
3 | 11000012121211201101111212111 |
4 | 12330232112130230011231 |
5 | 13001203332400222221 |
6 | 144555343510404021 |
7 | 6302655301244134 |
oct | 674562634540555 |
9 | 130177751344774 |
10 | 30561216414061 |
11 | 9812a36a33493 |
12 | 3516b75660611 |
13 | 1408bab037828 |
14 | 77925682691b |
15 | 37ee79d3dbe1 |
hex | 1bcb9672c16d |
30561216414061 has 2 divisors, whose sum is σ = 30561216414062. Its totient is φ = 30561216414060.
The previous prime is 30561216413989. The next prime is 30561216414067. The reversal of 30561216414061 is 16041461216503.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23572627177225 + 6988589236836 = 4855165^2 + 2643594^2 .
It is an emirp because it is prime and its reverse (16041461216503) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30561216414061 - 27 = 30561216413933 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30561216414067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15280608207030 + 15280608207031.
It is an arithmetic number, because the mean of its divisors is an integer number (15280608207031).
Almost surely, 230561216414061 is an apocalyptic number.
It is an amenable number.
30561216414061 is a deficient number, since it is larger than the sum of its proper divisors (1).
30561216414061 is an equidigital number, since it uses as much as digits as its factorization.
30561216414061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 103680, while the sum is 40.
The spelling of 30561216414061 in words is "thirty trillion, five hundred sixty-one billion, two hundred sixteen million, four hundred fourteen thousand, sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •