Search a number
-
+
13427868001 = 46649287849
BaseRepresentation
bin11001000000101110…
…10000000101100001
31021122210220101000111
430200113100011201
5210000013234001
610100233451321
7653516665132
oct144027200541
937583811014
1013427868001
115770754a79
122728b70b41
13135cc1ca32
14915505c89
15538cbc851
hex3205d0161

13427868001 has 4 divisors (see below), whose sum is σ = 13428202500. Its totient is φ = 13427533504.

The previous prime is 13427867977. The next prime is 13427868017. The reversal of 13427868001 is 10086872431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10086872431 = 55031832977.

It can be written as a sum of positive squares in 2 ways, for example, as 4805816976 + 8622051025 = 69324^2 + 92855^2 .

It is a cyclic number.

It is not a de Polignac number, because 13427868001 - 221 = 13425770849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13427868071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97276 + ... + 190573.

It is an arithmetic number, because the mean of its divisors is an integer number (3357050625).

Almost surely, 213427868001 is an apocalyptic number.

It is an amenable number.

13427868001 is a deficient number, since it is larger than the sum of its proper divisors (334499).

13427868001 is an equidigital number, since it uses as much as digits as its factorization.

13427868001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334498.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 13427868001 in words is "thirteen billion, four hundred twenty-seven million, eight hundred sixty-eight thousand, one".

Divisors: 1 46649 287849 13427868001