Base | Representation |
---|---|
bin | 11011001111101111… |
… | …100001011101001101 |
3 | 2210111211201100210202 |
4 | 123033233201131031 |
5 | 434403304122133 |
6 | 21234543143245 |
7 | 2053653426533 |
oct | 331757413515 |
9 | 83454640722 |
10 | 29255145293 |
11 | 11452848730 |
12 | 58055a4b25 |
13 | 29b2c7c57a |
14 | 15b7556153 |
15 | b635462e8 |
hex | 6cfbe174d |
29255145293 has 16 divisors (see below), whose sum is σ = 32146632000. Its totient is φ = 26402513280.
The previous prime is 29255145263. The next prime is 29255145299. The reversal of 29255145293 is 39254155292.
It is not a de Polignac number, because 29255145293 - 28 = 29255145037 is a prime.
It is a super-2 number, since 2×292551452932 (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 (29255145299) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3918398 + ... + 3925856.
It is an arithmetic number, because the mean of its divisors is an integer number (2009164500).
Almost surely, 229255145293 is an apocalyptic number.
It is an amenable number.
29255145293 is a deficient number, since it is larger than the sum of its proper divisors (2891486707).
29255145293 is a wasteful number, since it uses less digits than its factorization.
29255145293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10012.
The product of its digits is 972000, while the sum is 47.
Subtracting 29255145293 from its reverse (39254155292), we obtain a palindrome (9999009999).
The spelling of 29255145293 in words is "twenty-nine billion, two hundred fifty-five million, one hundred forty-five thousand, two hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •