Base | Representation |
---|---|
bin | 111000111111001… |
… | …1101110000011111 |
3 | 11221021010211120111 |
4 | 1301332131300133 |
5 | 12404010401343 |
6 | 513425030451 |
7 | 65246301523 |
oct | 16176356037 |
9 | 4837124514 |
10 | 1912200223 |
11 | 8a142936a |
12 | 454485427 |
13 | 246215a2b |
14 | 141d61d83 |
15 | b2d1cc9d |
hex | 71f9dc1f |
1912200223 has 8 divisors (see below), whose sum is σ = 2020011120. Its totient is φ = 1805106240.
The previous prime is 1912200211. The next prime is 1912200287. The reversal of 1912200223 is 3220022191.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1912200223 - 29 = 1912199711 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1912200194 and 1912200203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1912200203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173740 + ... + 184417.
It is an arithmetic number, because the mean of its divisors is an integer number (252501390).
Almost surely, 21912200223 is an apocalyptic number.
1912200223 is a deficient number, since it is larger than the sum of its proper divisors (107810897).
1912200223 is a wasteful number, since it uses less digits than its factorization.
1912200223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 358457.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 1912200223 is about 43728.7116549299. The cubic root of 1912200223 is about 1241.2076820226.
The spelling of 1912200223 in words is "one billion, nine hundred twelve million, two hundred thousand, two hundred twenty-three".
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