Base | Representation |
---|---|
bin | 10010101101011101… |
… | …01000100101000001 |
3 | 221221001102212112002 |
4 | 21112232220211001 |
5 | 131033010000001 |
6 | 4340431113345 |
7 | 503632043201 |
oct | 112656504501 |
9 | 27831385462 |
10 | 10045000001 |
11 | 42951601a3 |
12 | 1b44072855 |
13 | c41114aaa |
14 | 6b4118401 |
15 | 3dbceb46b |
hex | 256ba8941 |
10045000001 has 4 divisors (see below), whose sum is σ = 10635882372. Its totient is φ = 9454117632.
The previous prime is 10044999977. The next prime is 10045000033. The reversal of 10045000001 is 10000054001.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8222136976 + 1822863025 = 90676^2 + 42695^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10045000001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10045020001) 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, 295441160 + ... + 295441193.
It is an arithmetic number, because the mean of its divisors is an integer number (2658970593).
Almost surely, 210045000001 is an apocalyptic number.
It is an amenable number.
10045000001 is a deficient number, since it is larger than the sum of its proper divisors (590882371).
10045000001 is an equidigital number, since it uses as much as digits as its factorization.
10045000001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 590882370.
The product of its (nonzero) digits is 20, while the sum is 11.
Adding to 10045000001 its reverse (10000054001), we get a palindrome (20045054002).
It can be divided in two parts, 1004 and 5000001, that added together give a palindrome (5001005).
The spelling of 10045000001 in words is "ten billion, forty-five million, one", and thus it is an aban number and an uban number.
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