Base | Representation |
---|---|
bin | 11010111001000100… |
… | …101110010000111000 |
3 | 2202112100002011220221 |
4 | 122321010232100320 |
5 | 433113423424213 |
6 | 21133115425424 |
7 | 2041354656352 |
oct | 327104562070 |
9 | 82470064827 |
10 | 28874826808 |
11 | 112780a5833 |
12 | 571a155274 |
13 | 295223c449 |
14 | 157cc360d2 |
15 | b3ee6e38d |
hex | 6b912e438 |
28874826808 has 32 divisors (see below), whose sum is σ = 57543060960. Its totient is φ = 13536471040.
The previous prime is 28874826797. The next prime is 28874826811. The reversal of 28874826808 is 80862847882.
It is a congruent number.
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, 367873 + ... + 439408.
It is an arithmetic number, because the mean of its divisors is an integer number (1798220655).
Almost surely, 228874826808 is an apocalyptic number.
It is an amenable number.
28874826808 is a deficient number, since it is larger than the sum of its proper divisors (28668234152).
28874826808 is a wasteful number, since it uses less digits than its factorization.
28874826808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 807567 (or 807563 counting only the distinct ones).
The product of its (nonzero) digits is 22020096, while the sum is 61.
The spelling of 28874826808 in words is "twenty-eight billion, eight hundred seventy-four million, eight hundred twenty-six thousand, eight hundred eight".
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