Search a number
-
+
156800055299971 is a prime number
BaseRepresentation
bin100011101001101111011011…
…100110001100111110000011
3202120011221100110012121121111
4203221233123212030332003
5131023003003124044341
61313252541224504151
745012300354130156
oct4351573346147603
9676157313177544
10156800055299971
1145a635914a2066
1215704a9931b057
136965249467c45
142aa123da47c9d
15131dae147e681
hex8e9bdb98cf83

156800055299971 has 2 divisors, whose sum is σ = 156800055299972. Its totient is φ = 156800055299970.

The previous prime is 156800055299959. The next prime is 156800055299981. The reversal of 156800055299971 is 179992550008651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 156800055299971 - 237 = 156662616346499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156800055299897 and 156800055299906.

It is not a weakly prime, because it can be changed into another prime (156800055299981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78400027649985 + 78400027649986.

It is an arithmetic number, because the mean of its divisors is an integer number (78400027649986).

Almost surely, 2156800055299971 is an apocalyptic number.

156800055299971 is a deficient number, since it is larger than the sum of its proper divisors (1).

156800055299971 is an equidigital number, since it uses as much as digits as its factorization.

156800055299971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236000, while the sum is 67.

The spelling of 156800055299971 in words is "one hundred fifty-six trillion, eight hundred billion, fifty-five million, two hundred ninety-nine thousand, nine hundred seventy-one".