Base | Representation |
---|---|
bin | 10010101000001101… |
… | …10100110101011111 |
3 | 221210222122221121100 |
4 | 21110012310311133 |
5 | 130440224310030 |
6 | 4332220204143 |
7 | 502556116413 |
oct | 112406646537 |
9 | 27728587540 |
10 | 10001010015 |
11 | 4272344937 |
12 | 1b31399653 |
13 | c34c82109 |
14 | 6ac346d43 |
15 | 3d800c360 |
hex | 2541b4d5f |
10001010015 has 24 divisors (see below), whose sum is σ = 17337413808. Its totient is φ = 5333155200.
The previous prime is 10001010007. The next prime is 10001010043. The reversal of 10001010015 is 51001010001.
It is not a de Polignac number, because 10001010015 - 23 = 10001010007 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 10001009979 and 10001010006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 624387 + ... + 640203.
It is an arithmetic number, because the mean of its divisors is an integer number (722392242).
Almost surely, 210001010015 is an apocalyptic number.
10001010015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
10001010015 is a deficient number, since it is larger than the sum of its proper divisors (7336403793).
10001010015 is a wasteful number, since it uses less digits than its factorization.
10001010015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29879 (or 29876 counting only the distinct ones).
The product of its (nonzero) digits is 5, while the sum is 9.
Adding to 10001010015 its reverse (51001010001), we get a palindrome (61002020016).
The spelling of 10001010015 in words is "ten billion, one million, ten thousand, fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •