Base | Representation |
---|---|
bin | 11011000001000000… |
… | …110110101111011101 |
3 | 2202212121201122021212 |
4 | 123001000312233131 |
5 | 433402023440220 |
6 | 21154234434205 |
7 | 2044563123014 |
oct | 330100665735 |
9 | 82777648255 |
10 | 29008030685 |
11 | 11336305887 |
12 | 5756892965 |
13 | 2973a0a2ca |
14 | 15927cba7b |
15 | b4b9d20c5 |
hex | 6c1036bdd |
29008030685 has 4 divisors (see below), whose sum is σ = 34809636828. Its totient is φ = 23206424544.
The previous prime is 29008030669. The next prime is 29008030687. The reversal of 29008030685 is 58603080092.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 11383609636 + 17624421049 = 106694^2 + 132757^2 .
It is a cyclic number.
It is not a de Polignac number, because 29008030685 - 24 = 29008030669 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29008030687) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2900803064 + ... + 2900803073.
It is an arithmetic number, because the mean of its divisors is an integer number (8702409207).
Almost surely, 229008030685 is an apocalyptic number.
It is an amenable number.
29008030685 is a deficient number, since it is larger than the sum of its proper divisors (5801606143).
29008030685 is an equidigital number, since it uses as much as digits as its factorization.
29008030685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5801606142.
The product of its (nonzero) digits is 103680, while the sum is 41.
The spelling of 29008030685 in words is "twenty-nine billion, eight million, thirty thousand, six hundred eighty-five".
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