Base | Representation |
---|---|
bin | 111000110110111011… |
… | …0001101010001101011 |
3 | 102200011111110211111020 |
4 | 1301231312031101223 |
5 | 4000031103322422 |
6 | 132032021503523 |
7 | 11551541653215 |
oct | 1615566152153 |
9 | 380144424436 |
10 | 122102010987 |
11 | 47868447090 |
12 | 1b7b7871ba3 |
13 | b68b82a658 |
14 | 5ca45975b5 |
15 | 32997b895c |
hex | 1c6dd8d46b |
122102010987 has 32 divisors (see below), whose sum is σ = 182445264384. Its totient is φ = 71984505600.
The previous prime is 122102010977. The next prime is 122102010991. The reversal of 122102010987 is 789010201221.
It is not a de Polignac number, because 122102010987 - 28 = 122102010731 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (122102010937) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6996162 + ... + 7013592.
It is an arithmetic number, because the mean of its divisors is an integer number (5701414512).
Almost surely, 2122102010987 is an apocalyptic number.
122102010987 is a deficient number, since it is larger than the sum of its proper divisors (60343253397).
122102010987 is a wasteful number, since it uses less digits than its factorization.
122102010987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23219.
The product of its (nonzero) digits is 4032, while the sum is 33.
The spelling of 122102010987 in words is "one hundred twenty-two billion, one hundred two million, ten thousand, nine hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •