Base | Representation |
---|---|
bin | 10010000100011001… |
… | …001000100001101111 |
3 | 1212002002111110121200 |
4 | 102010121020201233 |
5 | 304213132101343 |
6 | 12525051500543 |
7 | 1254530130432 |
oct | 220431104157 |
9 | 55062443550 |
10 | 19401050223 |
11 | 8256429205 |
12 | 3915457753 |
13 | 1aa2589099 |
14 | d20933819 |
15 | 7883a94d3 |
hex | 48464886f |
19401050223 has 12 divisors (see below), whose sum is σ = 28025747568. Its totient is φ = 12933106560.
The previous prime is 19401050197. The next prime is 19401050237. The reversal of 19401050223 is 32205010491.
It is not a de Polignac number, because 19401050223 - 217 = 19400919151 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19401050243) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70111 + ... + 209087.
It is an arithmetic number, because the mean of its divisors is an integer number (2335478964).
Almost surely, 219401050223 is an apocalyptic number.
19401050223 is a deficient number, since it is larger than the sum of its proper divisors (8624697345).
19401050223 is a wasteful number, since it uses less digits than its factorization.
19401050223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154494 (or 154491 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The spelling of 19401050223 in words is "nineteen billion, four hundred one million, fifty thousand, two hundred twenty-three".
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