Base | Representation |
---|---|
bin | 100111010010000… |
… | …1111001000010001 |
3 | 10101212021112110101 |
4 | 1032210033020101 |
5 | 10144414401001 |
6 | 334443532401 |
7 | 44443565200 |
oct | 11644171021 |
9 | 3355245411 |
10 | 1318122001 |
11 | 617055629 |
12 | 30952a101 |
13 | 180111661 |
14 | c70bb237 |
15 | 7aabea01 |
hex | 4e90f211 |
1318122001 has 12 divisors (see below), whose sum is σ = 1535971248. Its totient is φ = 1127869512.
The previous prime is 1318121993. The next prime is 1318122041. The reversal of 1318122001 is 1002218131.
It is not a de Polignac number, because 1318122001 - 23 = 1318121993 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1318122001.
It is not an unprimeable number, because it can be changed into a prime (1318122041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5850 + ... + 51676.
It is an arithmetic number, because the mean of its divisors is an integer number (127997604).
Almost surely, 21318122001 is an apocalyptic number.
It is an amenable number.
1318122001 is a deficient number, since it is larger than the sum of its proper divisors (217849247).
1318122001 is an equidigital number, since it uses as much as digits as its factorization.
1318122001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46428 (or 46421 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 19.
The square root of 1318122001 is about 36305.9499393694. The cubic root of 1318122001 is about 1096.4408382644.
The spelling of 1318122001 in words is "one billion, three hundred eighteen million, one hundred twenty-two thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •