Search a number
-
+
61260026854291 is a prime number
BaseRepresentation
bin11011110110111001101100…
…01000111011101110010011
322000220101211121012202212021
431323130312020323232103
531012141013333314131
6334142245014512311
715621614400453526
oct1573346610735623
9260811747182767
1061260026854291
1118579260128291
126a5472b065697
132824a46336595
14111b003104bbd
157137a9547e11
hex37b73623bb93

61260026854291 has 2 divisors, whose sum is σ = 61260026854292. Its totient is φ = 61260026854290.

The previous prime is 61260026854171. The next prime is 61260026854303. The reversal of 61260026854291 is 19245862006216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61260026854291 - 211 = 61260026852243 is a prime.

It is a super-2 number, since 2×612600268542912 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61260026854391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30630013427145 + 30630013427146.

It is an arithmetic number, because the mean of its divisors is an integer number (30630013427146).

Almost surely, 261260026854291 is an apocalyptic number.

61260026854291 is a deficient number, since it is larger than the sum of its proper divisors (1).

61260026854291 is an equidigital number, since it uses as much as digits as its factorization.

61260026854291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 61260026854291 in words is "sixty-one trillion, two hundred sixty billion, twenty-six million, eight hundred fifty-four thousand, two hundred ninety-one".