Search a number
-
+
27431352701 is a prime number
BaseRepresentation
bin11001100011000010…
…010011100101111101
32121210201221002200222
4121203002103211331
5422134411241301
620333553031125
71660526436134
oct314302234575
977721832628
1027431352701
11106a7313325
1253968554a5
13278217ba5c
14148324891b
15aa838d31b
hex66309397d

27431352701 has 2 divisors, whose sum is σ = 27431352702. Its totient is φ = 27431352700.

The previous prime is 27431352691. The next prime is 27431352713. The reversal of 27431352701 is 10725313472.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27104683225 + 326669476 = 164635^2 + 18074^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27431352701 is a prime.

It is a super-2 number, since 2×274313527012 (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 (27431352101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13715676350 + 13715676351.

It is an arithmetic number, because the mean of its divisors is an integer number (13715676351).

Almost surely, 227431352701 is an apocalyptic number.

It is an amenable number.

27431352701 is a deficient number, since it is larger than the sum of its proper divisors (1).

27431352701 is an equidigital number, since it uses as much as digits as its factorization.

27431352701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 27431352701 in words is "twenty-seven billion, four hundred thirty-one million, three hundred fifty-two thousand, seven hundred one".