Base | Representation |
---|---|
bin | 11011000111000110… |
… | …111100101100011111 |
3 | 2210010202011000101111 |
4 | 123013012330230133 |
5 | 434104213304411 |
6 | 21212330322451 |
7 | 2050244251510 |
oct | 330706745437 |
9 | 83122130344 |
10 | 29110291231 |
11 | 1138900072a |
12 | 5784b89427 |
13 | 298bc629c8 |
14 | 15a220aa07 |
15 | b55981721 |
hex | 6c71bcb1f |
29110291231 has 8 divisors (see below), whose sum is σ = 34042600064. Its totient is φ = 24371406360.
The previous prime is 29110291219. The next prime is 29110291291. The reversal of 29110291231 is 13219201192.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 29110291231 - 29 = 29110290719 is a prime.
It is a super-2 number, since 2×291102912312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 29110291193 and 29110291202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29110291201) 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, 48355665 + ... + 48356266.
It is an arithmetic number, because the mean of its divisors is an integer number (4255325008).
Almost surely, 229110291231 is an apocalyptic number.
29110291231 is a deficient number, since it is larger than the sum of its proper divisors (4932308833).
29110291231 is an equidigital number, since it uses as much as digits as its factorization.
29110291231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96711981.
The product of its (nonzero) digits is 1944, while the sum is 31.
The spelling of 29110291231 in words is "twenty-nine billion, one hundred ten million, two hundred ninety-one thousand, two hundred thirty-one".
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