Base | Representation |
---|---|
bin | 101111001000010110… |
… | …1001011111001011010 |
3 | 100200020122020221022120 |
4 | 1132100231023321122 |
5 | 3124240233341442 |
6 | 114255100402110 |
7 | 10212061623354 |
oct | 1362055137132 |
9 | 320218227276 |
10 | 101212012122 |
11 | 39a185a6811 |
12 | 17747846336 |
13 | 970c94b590 |
14 | 4c81dda0d4 |
15 | 29758494ec |
hex | 1790b4be5a |
101212012122 has 16 divisors (see below), whose sum is σ = 217995103200. Its totient is φ = 31142157552.
The previous prime is 101212012117. The next prime is 101212012157. The reversal of 101212012122 is 221210212101.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648794872 + ... + 648795027.
It is an arithmetic number, because the mean of its divisors is an integer number (13624693950).
Almost surely, 2101212012122 is an apocalyptic number.
101212012122 is an abundant number, since it is smaller than the sum of its proper divisors (116783091078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101212012122 is a wasteful number, since it uses less digits than its factorization.
101212012122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1297589917.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 101212012122 its reverse (221210212101), we get a palindrome (322422224223).
The spelling of 101212012122 in words is "one hundred one billion, two hundred twelve million, twelve thousand, one hundred twenty-two".
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