Base | Representation |
---|---|
bin | 10111000001111010… |
… | …000100000100000001 |
3 | 2100211100012121111001 |
4 | 113001322010010001 |
5 | 401120340411121 |
6 | 15205424052001 |
7 | 1533533020600 |
oct | 270172040401 |
9 | 70740177431 |
10 | 24728060161 |
11 | a53a388662 |
12 | 4961464001 |
13 | 24410b177c |
14 | 12a81d9a37 |
15 | 99ada7991 |
hex | 5c1e84101 |
24728060161 has 6 divisors (see below), whose sum is σ = 28765294530. Its totient is φ = 21195480096.
The previous prime is 24728060143. The next prime is 24728060171. The reversal of 24728060161 is 16106082742.
It can be written as a sum of positive squares in only one way, i.e., 23084244225 + 1643815936 = 151935^2 + 40544^2 .
It is not a de Polignac number, because 24728060161 - 27 = 24728060033 is a prime.
It is a super-2 number, since 2×247280601612 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 24728060161.
It is not an unprimeable number, because it can be changed into a prime (24728060111) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252327096 + ... + 252327193.
It is an arithmetic number, because the mean of its divisors is an integer number (4794215755).
Almost surely, 224728060161 is an apocalyptic number.
It is an amenable number.
24728060161 is a deficient number, since it is larger than the sum of its proper divisors (4037234369).
24728060161 is an equidigital number, since it uses as much as digits as its factorization.
24728060161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 504654303 (or 504654296 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 37.
The spelling of 24728060161 in words is "twenty-four billion, seven hundred twenty-eight million, sixty thousand, one hundred sixty-one".
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