Base | Representation |
---|---|
bin | 11011110000110000… |
… | …111000110011100101 |
3 | 2211221110011210001020 |
4 | 123300300320303211 |
5 | 442022120314310 |
6 | 21405533321353 |
7 | 2103461414241 |
oct | 336060706345 |
9 | 84843153036 |
10 | 29809151205 |
11 | 11707541559 |
12 | 593b036259 |
13 | 2a70993212 |
14 | 162ad69421 |
15 | b96ecb170 |
hex | 6f0c38ce5 |
29809151205 has 32 divisors (see below), whose sum is σ = 50692362240. Its totient is φ = 14915223360.
The previous prime is 29809151191. The next prime is 29809151231. The reversal of 29809151205 is 50215190892.
It is not a de Polignac number, because 29809151205 - 27 = 29809151077 is a prime.
It is a Curzon 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, 478381 + ... + 537090.
It is an arithmetic number, because the mean of its divisors is an integer number (1584136320).
Almost surely, 229809151205 is an apocalyptic number.
It is an amenable number.
29809151205 is a deficient number, since it is larger than the sum of its proper divisors (20883211035).
29809151205 is a wasteful number, since it uses less digits than its factorization.
29809151205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1015601.
The product of its (nonzero) digits is 64800, while the sum is 42.
The spelling of 29809151205 in words is "twenty-nine billion, eight hundred nine million, one hundred fifty-one thousand, two hundred five".
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