Base | Representation |
---|---|
bin | 11011111011000110… |
… | …110011010001011101 |
3 | 2212101112200100011100 |
4 | 123323012303101131 |
5 | 442401030332434 |
6 | 21435052343313 |
7 | 2110666320600 |
oct | 337306632135 |
9 | 85345610140 |
10 | 29982667869 |
11 | 11796486160 |
12 | 5989174b39 |
13 | 2a9a9070bb |
14 | 1646016337 |
15 | ba7353699 |
hex | 6fb1b345d |
29982667869 has 72 divisors (see below), whose sum is σ = 57851707680. Its totient is φ = 14755608000.
The previous prime is 29982667861. The next prime is 29982667877. The reversal of 29982667869 is 96876628992.
It is a happy number.
29982667869 is a `hidden beast` number, since 299 + 8 + 266 + 78 + 6 + 9 = 666.
It is an interprime number because it is at equal distance from previous prime (29982667861) and next prime (29982667877).
It is not a de Polignac number, because 29982667869 - 23 = 29982667861 is a prime.
It is a super-2 number, since 2×299826678692 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 29982667797 and 29982667806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29982667861) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 70482 + ... + 254819.
It is an arithmetic number, because the mean of its divisors is an integer number (803495940).
Almost surely, 229982667869 is an apocalyptic number.
It is an amenable number.
29982667869 is a deficient number, since it is larger than the sum of its proper divisors (27869039811).
29982667869 is a wasteful number, since it uses less digits than its factorization.
29982667869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 325351 (or 325341 counting only the distinct ones).
The product of its digits is 282175488, while the sum is 72.
The spelling of 29982667869 in words is "twenty-nine billion, nine hundred eighty-two million, six hundred sixty-seven thousand, eight hundred sixty-nine".
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