Base | Representation |
---|---|
bin | 10010111111111100… |
… | …10101011110011001 |
3 | 222022212022022210221 |
4 | 21133332111132121 |
5 | 131342212023001 |
6 | 4404051440041 |
7 | 510524340643 |
oct | 113776253631 |
9 | 28285268727 |
10 | 10200111001 |
11 | 4364773403 |
12 | 1b87bb6021 |
13 | c672b3152 |
14 | 6ca973893 |
15 | 3ea73a1a1 |
hex | 25ff95799 |
10200111001 has 4 divisors (see below), whose sum is σ = 10643594112. Its totient is φ = 9756627892.
The previous prime is 10200110989. The next prime is 10200111007. The reversal of 10200111001 is 10011100201.
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, and also an emirpimes, since its reverse is a distinct semiprime: 10011100201 = 227 ⋅44101763.
It is a cyclic number.
It is not a de Polignac number, because 10200111001 - 29 = 10200110489 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10200111007) 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, 221741521 + ... + 221741566.
It is an arithmetic number, because the mean of its divisors is an integer number (2660898528).
Almost surely, 210200111001 is an apocalyptic number.
It is an amenable number.
10200111001 is a deficient number, since it is larger than the sum of its proper divisors (443483111).
10200111001 is an equidigital number, since it uses as much as digits as its factorization.
10200111001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 443483110.
The product of its (nonzero) digits is 2, while the sum is 7.
Adding to 10200111001 its reverse (10011100201), we get a palindrome (20211211202).
The spelling of 10200111001 in words is "ten billion, two hundred million, one hundred eleven thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •