Base | Representation |
---|---|
bin | 101110011001… |
… | …011111001011 |
3 | 211212221112012 |
4 | 232121133023 |
5 | 11103204034 |
6 | 1112410135 |
7 | 205245461 |
oct | 56313713 |
9 | 24787465 |
10 | 12163019 |
11 | 6958290 |
12 | 40a694b |
13 | 269b26b |
14 | 1888831 |
15 | 1103cce |
hex | b997cb |
12163019 has 16 divisors (see below), whose sum is σ = 13759200. Its totient is φ = 10656000.
The previous prime is 12163009. The next prime is 12163031. The reversal of 12163019 is 91036121.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 12163019 - 24 = 12163003 is a prime.
It is a super-2 number, since 2×121630192 = 295878062388722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12162985 and 12163003.
It is not an unprimeable number, because it can be changed into a prime (12163009) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67109 + ... + 67289.
It is an arithmetic number, because the mean of its divisors is an integer number (859950).
Almost surely, 212163019 is an apocalyptic number.
12163019 is a deficient number, since it is larger than the sum of its proper divisors (1596181).
12163019 is a wasteful number, since it uses less digits than its factorization.
12163019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382.
The product of its (nonzero) digits is 324, while the sum is 23.
The square root of 12163019 is about 3487.5520067807. The cubic root of 12163019 is about 229.9749121974.
The spelling of 12163019 in words is "twelve million, one hundred sixty-three thousand, nineteen".
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