Search a number
-
+
1568410912931 is a prime number
BaseRepresentation
bin10110110100101100100…
…100110100100010100011
312112221100020211120221112
4112310230210310202203
5201144101143203211
63200303521013535
7221212453536212
oct26645444644243
95487306746845
101568410912931
11555183087865
12213b757842ab
13b4b92579445
1455ca91cd079
152abe821488b
hex16d2c9348a3

1568410912931 has 2 divisors, whose sum is σ = 1568410912932. Its totient is φ = 1568410912930.

The previous prime is 1568410912919. The next prime is 1568410912963. The reversal of 1568410912931 is 1392190148651.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1568410912931 - 226 = 1568343804067 is a prime.

It is a super-2 number, since 2×15684109129312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1568410912931.

It is not a weakly prime, because it can be changed into another prime (1568610912931) 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, 784205456465 + 784205456466.

It is an arithmetic number, because the mean of its divisors is an integer number (784205456466).

Almost surely, 21568410912931 is an apocalyptic number.

1568410912931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1568410912931 is an equidigital number, since it uses as much as digits as its factorization.

1568410912931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 1568410912931 in words is "one trillion, five hundred sixty-eight billion, four hundred ten million, nine hundred twelve thousand, nine hundred thirty-one".