Search a number
-
+
67261006013 is a prime number
BaseRepresentation
bin111110101001000100…
…011000000010111101
320102121112110010110212
4332221010120002331
52100222304143023
650522124442205
74600535055305
oct765104300275
9212545403425
1067261006013
11265860a2383
12110516a9365
13645bb5a256
143380d52605
151b39e26e78
hexfa91180bd

67261006013 has 2 divisors, whose sum is σ = 67261006014. Its totient is φ = 67261006012.

The previous prime is 67261005991. The next prime is 67261006019. The reversal of 67261006013 is 31060016276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67203822169 + 57183844 = 259237^2 + 7562^2 .

It is a cyclic number.

It is not a de Polignac number, because 67261006013 - 210 = 67261004989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67261006019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33630503006 + 33630503007.

It is an arithmetic number, because the mean of its divisors is an integer number (33630503007).

Almost surely, 267261006013 is an apocalyptic number.

It is an amenable number.

67261006013 is a deficient number, since it is larger than the sum of its proper divisors (1).

67261006013 is an equidigital number, since it uses as much as digits as its factorization.

67261006013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 67261006013 in words is "sixty-seven billion, two hundred sixty-one million, six thousand, thirteen".