Search a number
-
+
30561216414061 is a prime number
BaseRepresentation
bin1101111001011100101100…
…11100101100000101101101
311000012121211201101111212111
412330232112130230011231
513001203332400222221
6144555343510404021
76302655301244134
oct674562634540555
9130177751344774
1030561216414061
119812a36a33493
123516b75660611
131408bab037828
1477925682691b
1537ee79d3dbe1
hex1bcb9672c16d

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".