Base | Representation |
---|---|
bin | 10010011011011101… |
… | …100101011100101110 |
3 | 1220002001210021210212 |
4 | 102123131211130232 |
5 | 311011222440410 |
6 | 13031315302422 |
7 | 1300240005623 |
oct | 223335453456 |
9 | 56061707725 |
10 | 19788093230 |
11 | 8434954364 |
12 | 3a02baaa12 |
13 | 1b34811c09 |
14 | d5a0c434a |
15 | 7ac35db05 |
hex | 49b76572e |
19788093230 has 16 divisors (see below), whose sum is σ = 35964381024. Its totient is φ = 7838389920.
The previous prime is 19788093203. The next prime is 19788093233. The reversal of 19788093230 is 3239088791.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19788093233) 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, 9604841 + ... + 9606900.
It is an arithmetic number, because the mean of its divisors is an integer number (2247773814).
Almost surely, 219788093230 is an apocalyptic number.
19788093230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19788093230 is a deficient number, since it is larger than the sum of its proper divisors (16176287794).
19788093230 is a wasteful number, since it uses less digits than its factorization.
19788093230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19211851.
The product of its (nonzero) digits is 653184, while the sum is 50.
The spelling of 19788093230 in words is "nineteen billion, seven hundred eighty-eight million, ninety-three thousand, two hundred thirty".
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