Base | Representation |
---|---|
bin | 11010111111000111… |
… | …000000001100100010 |
3 | 2202210101121202221121 |
4 | 122333013000030202 |
5 | 433320334302332 |
6 | 21151134042454 |
7 | 2044024453132 |
oct | 327707001442 |
9 | 82711552847 |
10 | 28976087842 |
11 | 1131a278739 |
12 | 574804942a |
13 | 296a204c10 |
14 | 158c474ac2 |
15 | b48cc2797 |
hex | 6bf1c0322 |
28976087842 has 16 divisors (see below), whose sum is σ = 46812915072. Its totient is φ = 13372039440.
The previous prime is 28976087839. The next prime is 28976087863. The reversal of 28976087842 is 24878067982.
It is a super-2 number, since 2×289760878422 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184183 + ... + 303109.
It is an arithmetic number, because the mean of its divisors is an integer number (2925807192).
Almost surely, 228976087842 is an apocalyptic number.
28976087842 is a deficient number, since it is larger than the sum of its proper divisors (17836827230).
28976087842 is a wasteful number, since it uses less digits than its factorization.
28976087842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128313.
The product of its (nonzero) digits is 21676032, while the sum is 61.
The spelling of 28976087842 in words is "twenty-eight billion, nine hundred seventy-six million, eighty-seven thousand, eight hundred forty-two".
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