Base | Representation |
---|---|
bin | 11011001100110101… |
… | …010111011111111000 |
3 | 2210101102220002101011 |
4 | 123030311113133320 |
5 | 434303311030340 |
6 | 21230041203304 |
7 | 2052521561656 |
oct | 331465273770 |
9 | 83342802334 |
10 | 29206345720 |
11 | 11428247902 |
12 | 57b1190534 |
13 | 29a5b24696 |
14 | 15b0c91dd6 |
15 | b5e1070ea |
hex | 6ccd577f8 |
29206345720 has 16 divisors (see below), whose sum is σ = 65714277960. Its totient is φ = 11682538272.
The previous prime is 29206345711. The next prime is 29206345723. The reversal of 29206345720 is 2754360292.
It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 730158643 = 29206345720 / (2 + 9 + 2 + 0 + 6 + 3 + 4 + 5 + 7 + 2 + 0).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29206345723) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365079282 + ... + 365079361.
Almost surely, 229206345720 is an apocalyptic number.
29206345720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29206345720 is an abundant number, since it is smaller than the sum of its proper divisors (36507932240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29206345720 is a wasteful number, since it uses less digits than its factorization.
29206345720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 730158654 (or 730158650 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 40.
The spelling of 29206345720 in words is "twenty-nine billion, two hundred six million, three hundred forty-five thousand, seven hundred twenty".
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