Search a number
-
+
274818051330989 is a prime number
BaseRepresentation
bin111110011111001000010000…
…010100111101001110101101
31100001001100102111211220012012
4332133020100110331032231
5242010104332120042424
62412253400410051005
7111612643334501105
oct7637102024751655
91301040374756165
10274818051330989
117a6247545369a1
12269a56b5419a65
13ba463007a13ca
144bc139c300205
1521b89ac979b0e
hexf9f21053d3ad

274818051330989 has 2 divisors, whose sum is σ = 274818051330990. Its totient is φ = 274818051330988.

The previous prime is 274818051330973. The next prime is 274818051331027. The reversal of 274818051330989 is 989033150818472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152523537401764 + 122294513929225 = 12350042^2 + 11058685^2 .

It is a cyclic number.

It is not a de Polignac number, because 274818051330989 - 24 = 274818051330973 is a prime.

It is a super-2 number, since 2×2748180513309892 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274818051330919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137409025665494 + 137409025665495.

It is an arithmetic number, because the mean of its divisors is an integer number (137409025665495).

Almost surely, 2274818051330989 is an apocalyptic number.

It is an amenable number.

274818051330989 is a deficient number, since it is larger than the sum of its proper divisors (1).

274818051330989 is an equidigital number, since it uses as much as digits as its factorization.

274818051330989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104509440, while the sum is 68.

The spelling of 274818051330989 in words is "two hundred seventy-four trillion, eight hundred eighteen billion, fifty-one million, three hundred thirty thousand, nine hundred eighty-nine".