Base | Representation |
---|---|
bin | 11000010000011111… |
… | …01001010100001001 |
3 | 1020121121111011200120 |
4 | 30020033221110021 |
5 | 203132421033001 |
6 | 5552140453453 |
7 | 640504360230 |
oct | 141017512411 |
9 | 36547434616 |
10 | 13023221001 |
11 | 55832a576a |
12 | 263554a289 |
13 | 12c714223b |
14 | 8b7891b17 |
15 | 5134dc236 |
hex | 3083e9509 |
13023221001 has 8 divisors (see below), whose sum is σ = 19844908224. Its totient is φ = 7441840560.
The previous prime is 13023220979. The next prime is 13023221027. The reversal of 13023221001 is 10012232031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13023221001 - 29 = 13023220489 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13023221041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310076670 + ... + 310076711.
It is an arithmetic number, because the mean of its divisors is an integer number (2480613528).
Almost surely, 213023221001 is an apocalyptic number.
It is an amenable number.
13023221001 is a deficient number, since it is larger than the sum of its proper divisors (6821687223).
13023221001 is an equidigital number, since it uses as much as digits as its factorization.
13023221001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 620153391.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 13023221001 its reverse (10012232031), we get a palindrome (23035453032).
The spelling of 13023221001 in words is "thirteen billion, twenty-three million, two hundred twenty-one thousand, one".
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