Base | Representation |
---|---|
bin | 111111100000110… |
… | …1000001001001001 |
3 | 12111112002202212220 |
4 | 1333001220021021 |
5 | 13331032224001 |
6 | 551245324253 |
7 | 103545221514 |
oct | 17701501111 |
9 | 5445082786 |
10 | 2131133001 |
11 | 9a3a72848 |
12 | 4b5866689 |
13 | 27c69b75a |
14 | 163071d7b |
15 | c7166c36 |
hex | 7f068249 |
2131133001 has 4 divisors (see below), whose sum is σ = 2841510672. Its totient is φ = 1420755332.
The previous prime is 2131132979. The next prime is 2131133003. The reversal of 2131133001 is 1003311312.
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 not a de Polignac number, because 2131133001 - 29 = 2131132489 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2131133003) 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, 355188831 + ... + 355188836.
It is an arithmetic number, because the mean of its divisors is an integer number (710377668).
Almost surely, 22131133001 is an apocalyptic number.
It is an amenable number.
2131133001 is a deficient number, since it is larger than the sum of its proper divisors (710377671).
2131133001 is an equidigital number, since it uses as much as digits as its factorization.
2131133001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 710377670.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 2131133001 is about 46164.1960939428. The cubic root of 2131133001 is about 1286.8764444114.
Adding to 2131133001 its reverse (1003311312), we get a palindrome (3134444313).
The spelling of 2131133001 in words is "two billion, one hundred thirty-one million, one hundred thirty-three thousand, one".
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