Base | Representation |
---|---|
bin | 10001101000011100… |
… | …100111011110011000 |
3 | 1210212102021110220021 |
4 | 101220130213132120 |
5 | 302233120420433 |
6 | 12410342440224 |
7 | 1240105025233 |
oct | 215034473630 |
9 | 53772243807 |
10 | 18932201368 |
11 | 8035809113 |
12 | 3804433074 |
13 | 1a293bcc22 |
14 | cb856a41a |
15 | 75c14622d |
hex | 468727798 |
18932201368 has 32 divisors (see below), whose sum is σ = 37627135200. Its totient is φ = 8899517952.
The previous prime is 18932201359. The next prime is 18932201411. The reversal of 18932201368 is 86310223981.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49246 + ... + 200722.
It is an arithmetic number, because the mean of its divisors is an integer number (1175847975).
Almost surely, 218932201368 is an apocalyptic number.
It is an amenable number.
18932201368 is a deficient number, since it is larger than the sum of its proper divisors (18694933832).
18932201368 is a wasteful number, since it uses less digits than its factorization.
18932201368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152419 (or 152415 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 43.
The spelling of 18932201368 in words is "eighteen billion, nine hundred thirty-two million, two hundred one thousand, three hundred sixty-eight".
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