Search a number
-
+
56720667119 is a prime number
BaseRepresentation
bin110100110100110100…
…001011000111101111
312102101221221102201212
4310310310023013233
51412130442321434
642020200425035
74045406500304
oct646464130757
9172357842655
1056720667119
11220673797a6
12abab77817b
13546c232b2c
142a611370ab
15171e8d38ce
hexd34d0b1ef

56720667119 has 2 divisors, whose sum is σ = 56720667120. Its totient is φ = 56720667118.

The previous prime is 56720667097. The next prime is 56720667209. The reversal of 56720667119 is 91176602765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56720667119 - 216 = 56720601583 is a prime.

It is a super-2 number, since 2×567206671192 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56720667319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28360333559 + 28360333560.

It is an arithmetic number, because the mean of its divisors is an integer number (28360333560).

Almost surely, 256720667119 is an apocalyptic number.

56720667119 is a deficient number, since it is larger than the sum of its proper divisors (1).

56720667119 is an equidigital number, since it uses as much as digits as its factorization.

56720667119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 56720667119 in words is "fifty-six billion, seven hundred twenty million, six hundred sixty-seven thousand, one hundred nineteen".