Base | Representation |
---|---|
bin | 1101001010110010100000… |
… | …01110011100110010001100 |
3 | 10210112100200212222110202022 |
4 | 12211121100032130302030 |
5 | 12243422003430143303 |
6 | 141331043442345312 |
7 | 6046101422145536 |
oct | 645312016346214 |
9 | 123470625873668 |
10 | 28958015474828 |
11 | 925503088aa80 |
12 | 32b831095b238 |
13 | 1320962c0460b |
14 | 72180ad88856 |
15 | 3533e7723438 |
hex | 1a565039cc8c |
28958015474828 has 48 divisors (see below), whose sum is σ = 55538451118080. Its totient is φ = 13102042886400.
The previous prime is 28958015474807. The next prime is 28958015474939. The reversal of 28958015474828 is 82847451085982.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78695108 + ... + 79062228.
It is an arithmetic number, because the mean of its divisors is an integer number (1157051064960).
Almost surely, 228958015474828 is an apocalyptic number.
It is an amenable number.
28958015474828 is a deficient number, since it is larger than the sum of its proper divisors (26580435643252).
28958015474828 is a wasteful number, since it uses less digits than its factorization.
28958015474828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 375398 (or 375396 counting only the distinct ones).
The product of its (nonzero) digits is 412876800, while the sum is 71.
The spelling of 28958015474828 in words is "twenty-eight trillion, nine hundred fifty-eight billion, fifteen million, four hundred seventy-four thousand, eight hundred twenty-eight".
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