Base | Representation |
---|---|
bin | 1001101001000100000000… |
… | …10110101011000001111010 |
3 | 2210001220100122021100010221 |
4 | 10310202000112223001322 |
5 | 10234333411133000442 |
6 | 113032041002130254 |
7 | 4315542046311454 |
oct | 464420026530172 |
9 | 83056318240127 |
10 | 21202112000122 |
11 | 6834846539079 |
12 | 24651404b098a |
13 | baa4732cb651 |
14 | 53428b0772d4 |
15 | 26b7b01a9467 |
hex | 1348805ab07a |
21202112000122 has 16 divisors (see below), whose sum is σ = 32118042033792. Its totient is φ = 10496137126320.
The previous prime is 21202112000107. The next prime is 21202112000143. The reversal of 21202112000122 is 22100021120212.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 21202112000096 and 21202112000105.
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, 8697918 + ... + 10865449.
It is an arithmetic number, because the mean of its divisors is an integer number (2007377627112).
Almost surely, 221202112000122 is an apocalyptic number.
21202112000122 is a deficient number, since it is larger than the sum of its proper divisors (10915930033670).
21202112000122 is a wasteful number, since it uses less digits than its factorization.
21202112000122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19568733.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 21202112000122 its reverse (22100021120212), we get a palindrome (43302133120334).
The spelling of 21202112000122 in words is "twenty-one trillion, two hundred two billion, one hundred twelve million, one hundred twenty-two", and thus it is an aban number.
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