Base | Representation |
---|---|
bin | 11011001011101111… |
… | …100110011111111101 |
3 | 2210100011110221002022 |
4 | 123023233212133331 |
5 | 434234120311320 |
6 | 21224145205525 |
7 | 2052210251225 |
oct | 331357463775 |
9 | 83304427068 |
10 | 29188057085 |
11 | 11418996330 |
12 | 57a70308a5 |
13 | 29a20c01c5 |
14 | 15ac691085 |
15 | b5c6e3325 |
hex | 6cbbe67fd |
29188057085 has 32 divisors (see below), whose sum is σ = 38979263232. Its totient is φ = 20804474880.
The previous prime is 29188057069. The next prime is 29188057091. The reversal of 29188057085 is 58075088192.
It is not a de Polignac number, because 29188057085 - 24 = 29188057069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522947 + ... + 576063.
It is an arithmetic number, because the mean of its divisors is an integer number (1218101976).
Almost surely, 229188057085 is an apocalyptic number.
It is an amenable number.
29188057085 is a deficient number, since it is larger than the sum of its proper divisors (9791206147).
29188057085 is a wasteful number, since it uses less digits than its factorization.
29188057085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53333.
The product of its (nonzero) digits is 1612800, while the sum is 53.
The spelling of 29188057085 in words is "twenty-nine billion, one hundred eighty-eight million, fifty-seven thousand, eighty-five".
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