Search a number
-
+
954139979069 is a prime number
BaseRepresentation
bin11011110001001110010…
…11001010110100111101
310101012210122200222111022
431320213023022310331
5111113034313312234
62010154215033525
7125635323002054
oct15704713126475
93335718628438
10954139979069
11338715164452
12134b0366b8a5
136bc8a14b194
14342758a739b
1519c45596e2e
hexde272cad3d

954139979069 has 2 divisors, whose sum is σ = 954139979070. Its totient is φ = 954139979068.

The previous prime is 954139979047. The next prime is 954139979113. The reversal of 954139979069 is 960979931459.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 849001916569 + 105138062500 = 921413^2 + 324250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-954139979069 is a prime.

It is a super-2 number, since 2×9541399790692 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 954139978993 and 954139979011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (954139978069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477069989534 + 477069989535.

It is an arithmetic number, because the mean of its divisors is an integer number (477069989535).

Almost surely, 2954139979069 is an apocalyptic number.

It is an amenable number.

954139979069 is a deficient number, since it is larger than the sum of its proper divisors (1).

954139979069 is an equidigital number, since it uses as much as digits as its factorization.

954139979069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148803480, while the sum is 71.

The spelling of 954139979069 in words is "nine hundred fifty-four billion, one hundred thirty-nine million, nine hundred seventy-nine thousand, sixty-nine".