Base | Representation |
---|---|
bin | 11011010001010010… |
… | …011100011100000000 |
3 | 2210120122111211102001 |
4 | 123101102130130000 |
5 | 434431423430432 |
6 | 21241311033344 |
7 | 2054420022256 |
oct | 332122343400 |
9 | 83518454361 |
10 | 29281076992 |
11 | 1146644a592 |
12 | 581220b854 |
13 | 29b845b87b |
14 | 15bab865d6 |
15 | b659699e7 |
hex | 6d149c700 |
29281076992 has 36 divisors (see below), whose sum is σ = 60988994640. Its totient is φ = 14003990528.
The previous prime is 29281076977. The next prime is 29281077011. The reversal of 29281076992 is 29967018292.
It is a super-2 number, since 2×292810769922 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2480617 + ... + 2492392.
It is an arithmetic number, because the mean of its divisors is an integer number (1694138740).
Almost surely, 229281076992 is an apocalyptic number.
It is an amenable number.
29281076992 is an abundant number, since it is smaller than the sum of its proper divisors (31707917648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29281076992 is an equidigital number, since it uses as much as digits as its factorization.
29281076992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4973048 (or 4973034 counting only the distinct ones).
The product of its (nonzero) digits is 1959552, while the sum is 55.
The spelling of 29281076992 in words is "twenty-nine billion, two hundred eighty-one million, seventy-six thousand, nine hundred ninety-two".
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