Search a number
-
+
13023010001 = 19685421579
BaseRepresentation
bin11000010000011101…
…10101110011010001
31020121121002110020202
430020032311303101
5203132342310001
65552132144545
7640502521121
oct141016656321
936547073222
1013023010001
115583171191
122635468155
1312c709a1a1
148b7838c81
1551349996b
hex3083b5cd1

13023010001 has 4 divisors (see below), whose sum is σ = 13708431600. Its totient is φ = 12337588404.

The previous prime is 13023009947. The next prime is 13023010003. The reversal of 13023010001 is 10001032031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13023010001 is a prime.

It is a super-2 number, since 2×130230100012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13023010003) 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, 342710771 + ... + 342710808.

It is an arithmetic number, because the mean of its divisors is an integer number (3427107900).

Almost surely, 213023010001 is an apocalyptic number.

It is an amenable number.

13023010001 is a deficient number, since it is larger than the sum of its proper divisors (685421599).

13023010001 is an equidigital number, since it uses as much as digits as its factorization.

13023010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685421598.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 13023010001 its reverse (10001032031), we get a palindrome (23024042032).

The spelling of 13023010001 in words is "thirteen billion, twenty-three million, ten thousand, one".

Divisors: 1 19 685421579 13023010001