Search a number
-
+
39880676287 is a prime number
BaseRepresentation
bin100101001001000100…
…101101001110111111
310210221100112021010201
4211021010231032333
51123133423120122
630153153144331
72611165104154
oct451104551677
9123840467121
1039880676287
1115a05669401
12788bb5b0a7
1339b743440a
141d047ca22b
1510862b6a27
hex94912d3bf

39880676287 has 2 divisors, whose sum is σ = 39880676288. Its totient is φ = 39880676286.

The previous prime is 39880676279. The next prime is 39880676291. The reversal of 39880676287 is 78267608893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39880676287 - 23 = 39880676279 is a prime.

It is a super-2 number, since 2×398806762872 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39880676587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19940338143 + 19940338144.

It is an arithmetic number, because the mean of its divisors is an integer number (19940338144).

Almost surely, 239880676287 is an apocalyptic number.

39880676287 is a deficient number, since it is larger than the sum of its proper divisors (1).

39880676287 is an equidigital number, since it uses as much as digits as its factorization.

39880676287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48771072, while the sum is 64.

The spelling of 39880676287 in words is "thirty-nine billion, eight hundred eighty million, six hundred seventy-six thousand, two hundred eighty-seven".