Base | Representation |
---|---|
bin | 111000110111110100… |
… | …1011010000111001001 |
3 | 102200020121022002220200 |
4 | 1301233221122013021 |
5 | 4000111321210441 |
6 | 132035021042413 |
7 | 11552356441305 |
oct | 1615751320711 |
9 | 380217262820 |
10 | 122132210121 |
11 | 478834a3149 |
12 | 1b8059b6409 |
13 | b694b7216c |
14 | 5ca85b8d05 |
15 | 329c2817b6 |
hex | 1c6fa5a1c9 |
122132210121 has 24 divisors (see below), whose sum is σ = 185712964320. Its totient is φ = 77129957376.
The previous prime is 122132210117. The next prime is 122132210153. The reversal of 122132210121 is 121012231221.
122132210121 is a `hidden beast` number, since 1 + 221 + 322 + 1 + 0 + 121 = 666.
It is not a de Polignac number, because 122132210121 - 22 = 122132210117 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 122132210094 and 122132210103.
It is not an unprimeable number, because it can be changed into a prime (122132210621) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3132670 + ... + 3171416.
It is an arithmetic number, because the mean of its divisors is an integer number (7738040180).
Almost surely, 2122132210121 is an apocalyptic number.
It is an amenable number.
122132210121 is a deficient number, since it is larger than the sum of its proper divisors (63580754199).
122132210121 is a wasteful number, since it uses less digits than its factorization.
122132210121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57205 (or 57202 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 122132210121 its reverse (121012231221), we get a palindrome (243144441342).
The spelling of 122132210121 in words is "one hundred twenty-two billion, one hundred thirty-two million, two hundred ten thousand, one hundred twenty-one".
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