Base | Representation |
---|---|
bin | 11000010000001110… |
… | …01011011010111001 |
3 | 1020121110022101222011 |
4 | 30020013023122321 |
5 | 203131334021101 |
6 | 5552021125521 |
7 | 640446454132 |
oct | 141007133271 |
9 | 36543271864 |
10 | 13021001401 |
11 | 558201a091 |
12 | 26348598a1 |
13 | 12c6845b75 |
14 | 8b7474c89 |
15 | 5131ee751 |
hex | 3081cb6b9 |
13021001401 has 16 divisors (see below), whose sum is σ = 13553049600. Its totient is φ = 12500529808.
The previous prime is 13021001387. The next prime is 13021001417. The reversal of 13021001401 is 10410012031.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13021001401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13021001491) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323366 + ... + 1333168.
It is an arithmetic number, because the mean of its divisors is an integer number (847065600).
Almost surely, 213021001401 is an apocalyptic number.
It is an amenable number.
13021001401 is a deficient number, since it is larger than the sum of its proper divisors (532048199).
13021001401 is an equidigital number, since it uses as much as digits as its factorization.
13021001401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10388.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 13021001401 its reverse (10410012031), we get a palindrome (23431013432).
The spelling of 13021001401 in words is "thirteen billion, twenty-one million, one thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •