Base | Representation |
---|---|
bin | 111101011101100… |
… | …000001100001001 |
3 | 2122212021112220222 |
4 | 331131200030021 |
5 | 4102433103301 |
6 | 250152555425 |
7 | 34360403213 |
oct | 7535401411 |
9 | 2585245828 |
10 | 1031144201 |
11 | 48a06599a |
12 | 2493b2b75 |
13 | 135822bc9 |
14 | 9ad375b3 |
15 | 607d431b |
hex | 3d760309 |
1031144201 has 4 divisors (see below), whose sum is σ = 1031619600. Its totient is φ = 1030668804.
The previous prime is 1031144173. The next prime is 1031144209. The reversal of 1031144201 is 1024411301.
It is a happy number.
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 1031144201 - 222 = 1026949897 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1031144201.
It is not an unprimeable number, because it can be changed into a prime (1031144209) 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, 234431 + ... + 238788.
It is an arithmetic number, because the mean of its divisors is an integer number (257904900).
Almost surely, 21031144201 is an apocalyptic number.
It is an amenable number.
1031144201 is a deficient number, since it is larger than the sum of its proper divisors (475399).
1031144201 is an equidigital number, since it uses as much as digits as its factorization.
1031144201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 475398.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 1031144201 is about 32111.4341162147. The cubic root of 1031144201 is about 1010.2754537394.
Adding to 1031144201 its reverse (1024411301), we get a palindrome (2055555502).
The spelling of 1031144201 in words is "one billion, thirty-one million, one hundred forty-four thousand, two hundred one".
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