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13033110001 = 61213657541
BaseRepresentation
bin11000010001101010…
…10111100111110001
31020122022002120211211
430020311113213301
5203142434010001
65553132440121
7640654415152
oct141065274761
936568076754
1013033110001
11558893a49a
122638919041
1312c91c5412
148b8d07929
155142e2351
hex308d579f1

13033110001 has 4 divisors (see below), whose sum is σ = 13246767604. Its totient is φ = 12819452400.

The previous prime is 13033109953. The next prime is 13033110007. The reversal of 13033110001 is 10001133031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2398550625 + 10634559376 = 48975^2 + 103124^2 .

It is a cyclic number.

It is not a de Polignac number, because 13033110001 - 217 = 13032978929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13033110007) 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, 106828710 + ... + 106828831.

It is an arithmetic number, because the mean of its divisors is an integer number (3311691901).

Almost surely, 213033110001 is an apocalyptic number.

It is an amenable number.

13033110001 is a deficient number, since it is larger than the sum of its proper divisors (213657603).

13033110001 is an equidigital number, since it uses as much as digits as its factorization.

13033110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213657602.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 13033110001 its reverse (10001133031), we get a palindrome (23034243032).

The spelling of 13033110001 in words is "thirteen billion, thirty-three million, one hundred ten thousand, one".

Divisors: 1 61 213657541 13033110001