Base | Representation |
---|---|
bin | 11010101110101010… |
… | …110000000000000000 |
3 | 2202002011120120002200 |
4 | 122232222300000000 |
5 | 432234230333031 |
6 | 21103521513200 |
7 | 2034135031431 |
oct | 325652600000 |
9 | 82064516080 |
10 | 28700246016 |
11 | 111985a4692 |
12 | 568b7a2800 |
13 | 29250150c0 |
14 | 156398d488 |
15 | b2e9868e6 |
hex | 6aeab0000 |
28700246016 has 408 divisors, whose sum is σ = 94465491120. Its totient is φ = 8323596288.
The previous prime is 28700246011. The next prime is 28700246021. The reversal of 28700246016 is 61064200782.
28700246016 is a `hidden beast` number, since 28 + 7 + 0 + 0 + 24 + 601 + 6 = 666.
It is an interprime number because it is at equal distance from previous prime (28700246011) and next prime (28700246021).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (28700246011) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145686430 + ... + 145686626.
Almost surely, 228700246016 is an apocalyptic number.
28700246016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28700246016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47232745560).
28700246016 is an abundant number, since it is smaller than the sum of its proper divisors (65765245104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28700246016 is a wasteful number, since it uses less digits than its factorization.
28700246016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267 (or 234 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
Adding to 28700246016 its reverse (61064200782), we get a palindrome (89764446798).
The spelling of 28700246016 in words is "twenty-eight billion, seven hundred million, two hundred forty-six thousand, sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •