Base | Representation |
---|---|
bin | 11011110110110101… |
… | …011100110110010001 |
3 | 2212012112211210000022 |
4 | 123312311130312101 |
5 | 442224204320310 |
6 | 21424012433225 |
7 | 2106136252562 |
oct | 336665346621 |
9 | 85175753008 |
10 | 29911010705 |
11 | 11759a93064 |
12 | 5969178815 |
13 | 2a88b08204 |
14 | 163a6c2169 |
15 | ba0deba55 |
hex | 6f6d5cd91 |
29911010705 has 8 divisors (see below), whose sum is σ = 35915641704. Its totient is φ = 23913856000.
The previous prime is 29911010693. The next prime is 29911010713. The reversal of 29911010705 is 50701011992.
It is a Cunningham number, because it is equal to 1729482+1.
It can be written as a sum of positive squares in 4 ways, for example, as 10767797824 + 19143212881 = 103768^2 + 138359^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 29911010705 - 230 = 28837268881 is a prime.
It is a super-2 number, since 2×299110107052 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860266 + ... + 1876275.
It is an arithmetic number, because the mean of its divisors is an integer number (4489455213).
Almost surely, 229911010705 is an apocalyptic number.
It is an amenable number.
29911010705 is a deficient number, since it is larger than the sum of its proper divisors (6004630999).
29911010705 is a wasteful number, since it uses less digits than its factorization.
29911010705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3738147.
The product of its (nonzero) digits is 5670, while the sum is 35.
The spelling of 29911010705 in words is "twenty-nine billion, nine hundred eleven million, ten thousand, seven hundred five".
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