Base | Representation |
---|---|
bin | 1110100010111… |
… | …11111111110011 |
3 | 22111121122222021 |
4 | 13101133333303 |
5 | 222214344034 |
6 | 20035252311 |
7 | 3011135551 |
oct | 721377763 |
9 | 274548867 |
10 | 122028019 |
11 | 62977503 |
12 | 34a4a097 |
13 | 1c387039 |
14 | 122c6bd1 |
15 | aaa66b4 |
hex | 745fff3 |
122028019 has 2 divisors, whose sum is σ = 122028020. Its totient is φ = 122028018.
The previous prime is 122028001. The next prime is 122028097. The reversal of 122028019 is 910820221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 122028019 - 25 = 122027987 is a prime.
It is a super-2 number, since 2×1220280192 = 29781674842128722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122027984 and 122028002.
It is not a weakly prime, because it can be changed into another prime (122028119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61014009 + 61014010.
It is an arithmetic number, because the mean of its divisors is an integer number (61014010).
Almost surely, 2122028019 is an apocalyptic number.
122028019 is a deficient number, since it is larger than the sum of its proper divisors (1).
122028019 is an equidigital number, since it uses as much as digits as its factorization.
122028019 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 25.
The square root of 122028019 is about 11046.6293049056. The cubic root of 122028019 is about 496.0055320988.
The spelling of 122028019 in words is "one hundred twenty-two million, twenty-eight thousand, nineteen".
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