Base | Representation |
---|---|
bin | 11011101111010110011110… |
… | …110010111101001110101001 |
3 | 120222222012110002211110120211 |
4 | 123233112132302331032221 |
5 | 111442331434302413001 |
6 | 1111250325432421121 |
7 | 34461203502215065 |
oct | 3357263662751651 |
9 | 528865402743524 |
10 | 122001210201001 |
11 | 35967471658a0a |
12 | 1182479a5477a1 |
13 | 530c8846176c1 |
14 | 221ac66546aa5 |
15 | e187e89d6351 |
hex | 6ef59ecbd3a9 |
122001210201001 has 4 divisors (see below), whose sum is σ = 122096598169600. Its totient is φ = 121905822232404.
The previous prime is 122001210200999. The next prime is 122001210201071. The reversal of 122001210201001 is 100102012100221.
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 122001210201001 - 21 = 122001210200999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122001210201071) 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, 47693982381 + ... + 47693984938.
It is an arithmetic number, because the mean of its divisors is an integer number (30524149542400).
Almost surely, 2122001210201001 is an apocalyptic number.
It is an amenable number.
122001210201001 is a deficient number, since it is larger than the sum of its proper divisors (95387968599).
122001210201001 is an equidigital number, since it uses as much as digits as its factorization.
122001210201001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95387968598.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 122001210201001 its reverse (100102012100221), we get a palindrome (222103222301222).
The spelling of 122001210201001 in words is "one hundred twenty-two trillion, one billion, two hundred ten million, two hundred one thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •