Base | Representation |
---|---|
bin | 10111010001111100… |
… | …110101011100011000 |
3 | 2101112002200110100021 |
4 | 113101330311130120 |
5 | 402143242102133 |
6 | 15252241120224 |
7 | 1543311611512 |
oct | 272174653430 |
9 | 71462613307 |
10 | 24997222168 |
11 | a668309aa6 |
12 | 4a17629074 |
13 | 2484aa3029 |
14 | 12d1c62bb2 |
15 | 9b482452d |
hex | 5d1f35718 |
24997222168 has 32 divisors (see below), whose sum is σ = 49345354800. Its totient is φ = 11838693888.
The previous prime is 24997222141. The next prime is 24997222169. The reversal of 24997222168 is 86122279942.
It is a super-2 number, since 2×249972221682 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (24997222169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155580 + ... + 1177012.
Almost surely, 224997222168 is an apocalyptic number.
It is an amenable number.
24997222168 is a deficient number, since it is larger than the sum of its proper divisors (24348132632).
24997222168 is a wasteful number, since it uses less digits than its factorization.
24997222168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29131 (or 29127 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 52.
The spelling of 24997222168 in words is "twenty-four billion, nine hundred ninety-seven million, two hundred twenty-two thousand, one hundred sixty-eight".
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