Base | Representation |
---|---|
bin | 1101011101101010011… |
… | …1010101101000100001 |
3 | 211010000202122211211012 |
4 | 3113122213111220201 |
5 | 12242201024341001 |
6 | 254131435230305 |
7 | 22465566106523 |
oct | 3273247255041 |
9 | 733022584735 |
10 | 231301012001 |
11 | 8a104433864 |
12 | 389b22a8395 |
13 | 18a720b4a57 |
14 | b2a3231a13 |
15 | 603b3dd2bb |
hex | 35da9d5a21 |
231301012001 has 4 divisors (see below), whose sum is σ = 231301982100. Its totient is φ = 231300041904.
The previous prime is 231301011989. The next prime is 231301012013. The reversal of 231301012001 is 100210103132.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is an interprime number because it is at equal distance from previous prime (231301011989) and next prime (231301012013).
It can be written as a sum of positive squares in 2 ways, for example, as 202679139601 + 28621872400 = 450199^2 + 169180^2 .
It is a cyclic number.
It is not a de Polignac number, because 231301012001 - 214 = 231300995617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231301012051) 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, 147995 + ... + 696063.
It is an arithmetic number, because the mean of its divisors is an integer number (57825495525).
Almost surely, 2231301012001 is an apocalyptic number.
It is an amenable number.
231301012001 is a deficient number, since it is larger than the sum of its proper divisors (970099).
231301012001 is an equidigital number, since it uses as much as digits as its factorization.
231301012001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 970098.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 231301012001 its reverse (100210103132), we get a palindrome (331511115133).
The spelling of 231301012001 in words is "two hundred thirty-one billion, three hundred one million, twelve thousand, one".
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