Base | Representation |
---|---|
bin | 11010100111000100… |
… | …010000011001110100 |
3 | 2201202021121021220100 |
4 | 122213010100121310 |
5 | 432004103331422 |
6 | 21043124234100 |
7 | 2031026031651 |
oct | 324704203164 |
9 | 81667537810 |
10 | 28572714612 |
11 | 11132609432 |
12 | 5654b3b930 |
13 | 2904782130 |
14 | 1550a72c28 |
15 | b236947ac |
hex | 6a7110674 |
28572714612 has 72 divisors (see below), whose sum is σ = 78508344096. Its totient is φ = 8709424704.
The previous prime is 28572714607. The next prime is 28572714617. The reversal of 28572714612 is 21641727582.
28572714612 is a `hidden beast` number, since 2 + 8 + 5 + 7 + 27 + 1 + 4 + 612 = 666.
It is an interprime number because it is at equal distance from previous prime (28572714607) and next prime (28572714617).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28572714617) 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, 235218 + ... + 335369.
It is an arithmetic number, because the mean of its divisors is an integer number (1090393668).
Almost surely, 228572714612 is an apocalyptic number.
It is an amenable number.
28572714612 is an abundant number, since it is smaller than the sum of its proper divisors (49935629484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28572714612 is a wasteful number, since it uses less digits than its factorization.
28572714612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 570717 (or 570712 counting only the distinct ones).
The product of its digits is 376320, while the sum is 45.
The spelling of 28572714612 in words is "twenty-eight billion, five hundred seventy-two million, seven hundred fourteen thousand, six hundred twelve".
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