Base | Representation |
---|---|
bin | 11010111010111101… |
… | …110111001111010000 |
3 | 2202121112211120012220 |
4 | 122322331313033100 |
5 | 433200041123432 |
6 | 21140212221040 |
7 | 2042221621110 |
oct | 327275671720 |
9 | 82545746186 |
10 | 28906582992 |
11 | 11294015711 |
12 | 572890a780 |
13 | 29589aa8a1 |
14 | 1583141040 |
15 | b42b4372c |
hex | 6baf773d0 |
28906582992 has 80 divisors (see below), whose sum is σ = 86188328832. Its totient is φ = 8177241600.
The previous prime is 28906582907. The next prime is 28906583021. The reversal of 28906582992 is 29928560982.
It is a congruent number.
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, 391963 + ... + 459834.
Almost surely, 228906582992 is an apocalyptic number.
It is an amenable number.
28906582992 is an abundant number, since it is smaller than the sum of its proper divisors (57281745840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28906582992 is a wasteful number, since it uses less digits than its factorization.
28906582992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 851916 (or 851910 counting only the distinct ones).
The product of its (nonzero) digits is 11197440, while the sum is 60.
The spelling of 28906582992 in words is "twenty-eight billion, nine hundred six million, five hundred eighty-two thousand, nine hundred ninety-two".
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