Base | Representation |
---|---|
bin | 11011101001011110… |
… | …111100011101011101 |
3 | 2211121221100012210100 |
4 | 123221132330131131 |
5 | 441244333211234 |
6 | 21345451331313 |
7 | 2100446253006 |
oct | 335136743535 |
9 | 84557305710 |
10 | 29687007069 |
11 | 116545a5895 |
12 | 5906150b39 |
13 | 2a51598395 |
14 | 1618a521ad |
15 | b8b400399 |
hex | 6e97bc75d |
29687007069 has 24 divisors (see below), whose sum is σ = 43185695072. Its totient is φ = 19651001760.
The previous prime is 29687007041. The next prime is 29687007079. The reversal of 29687007069 is 96070078692.
It is not a de Polignac number, because 29687007069 - 220 = 29685958493 is a prime.
It is a super-2 number, since 2×296870070692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29687007029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2156442 + ... + 2170164.
Almost surely, 229687007069 is an apocalyptic number.
It is an amenable number.
29687007069 is a deficient number, since it is larger than the sum of its proper divisors (13498688003).
29687007069 is a wasteful number, since it uses less digits than its factorization.
29687007069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15417 (or 15414 counting only the distinct ones).
The product of its (nonzero) digits is 2286144, while the sum is 54.
The spelling of 29687007069 in words is "twenty-nine billion, six hundred eighty-seven million, seven thousand, sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •