Base | Representation |
---|---|
bin | 11011110111000100… |
… | …010010101000000101 |
3 | 2212012211011102111012 |
4 | 123313010102220011 |
5 | 442231203312442 |
6 | 21424232052005 |
7 | 2106214314542 |
oct | 336704225005 |
9 | 85184142435 |
10 | 29914900997 |
11 | 117611aa983 |
12 | 596a534005 |
13 | 2a8986ab67 |
14 | 163b015bc9 |
15 | ba1419582 |
hex | 6f7112a05 |
29914900997 has 4 divisors (see below), whose sum is σ = 30189349740. Its totient is φ = 29640452256.
The previous prime is 29914900937. The next prime is 29914900999. The reversal of 29914900997 is 79900941992.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 7368677281 + 22546223716 = 85841^2 + 150154^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-29914900997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29914900999) 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, 137224208 + ... + 137224425.
It is an arithmetic number, because the mean of its divisors is an integer number (7547337435).
Almost surely, 229914900997 is an apocalyptic number.
It is an amenable number.
29914900997 is a deficient number, since it is larger than the sum of its proper divisors (274448743).
29914900997 is a wasteful number, since it uses less digits than its factorization.
29914900997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 274448742.
The product of its (nonzero) digits is 3306744, while the sum is 59.
The spelling of 29914900997 in words is "twenty-nine billion, nine hundred fourteen million, nine hundred thousand, nine hundred ninety-seven".
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