Base | Representation |
---|---|
bin | 100100001001110… |
… | …1100010111100110 |
3 | 10010112200222120021 |
4 | 1020103230113212 |
5 | 4441024401042 |
6 | 320213225354 |
7 | 42030236620 |
oct | 11023542746 |
9 | 3115628507 |
10 | 1213122022 |
11 | 572859592 |
12 | 29a33225a |
13 | 16443a0a8 |
14 | b7187c10 |
15 | 7177d867 |
hex | 484ec5e6 |
1213122022 has 32 divisors (see below), whose sum is σ = 2142443520. Its totient is φ = 504352320.
The previous prime is 1213122017. The next prime is 1213122059. The reversal of 1213122022 is 2202213121.
It is a happy number.
It is a super-2 number, since 2×12131220222 = 2943330080522736968, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1213121987 and 1213122005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96843 + ... + 108649.
It is an arithmetic number, because the mean of its divisors is an integer number (66951360).
Almost surely, 21213122022 is an apocalyptic number.
1213122022 is a deficient number, since it is larger than the sum of its proper divisors (929321498).
1213122022 is a wasteful number, since it uses less digits than its factorization.
1213122022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12036.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1213122022 is about 34829.9012631388. The cubic root of 1213122022 is about 1066.5179327557.
Adding to 1213122022 its reverse (2202213121), we get a palindrome (3415335143).
The spelling of 1213122022 in words is "one billion, two hundred thirteen million, one hundred twenty-two thousand, twenty-two".
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