Base | Representation |
---|---|
bin | 10011000110101001… |
… | …01001110001110010 |
3 | 222110210000122222220 |
4 | 21203110221301302 |
5 | 132001102333403 |
6 | 4413415541510 |
7 | 512106023541 |
oct | 114324516162 |
9 | 28423018886 |
10 | 10256292978 |
11 | 4393456798 |
12 | 1ba298a896 |
13 | c75b24319 |
14 | 6d41da158 |
15 | 400636953 |
hex | 263529c72 |
10256292978 has 8 divisors (see below), whose sum is σ = 20512585968. Its totient is φ = 3418764324.
The previous prime is 10256292973. The next prime is 10256292989. The reversal of 10256292978 is 87929265201.
It is a sphenic number, since it is the product of 3 distinct primes.
10256292978 is an admirable number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 10256292978.
It is not an unprimeable number, because it can be changed into a prime (10256292973) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854691076 + ... + 854691087.
It is an arithmetic number, because the mean of its divisors is an integer number (2564073246).
Almost surely, 210256292978 is an apocalyptic number.
10256292978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10256292978 is a wasteful number, since it uses less digits than its factorization.
10256292978 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1709382168.
The product of its (nonzero) digits is 1088640, while the sum is 51.
The spelling of 10256292978 in words is "ten billion, two hundred fifty-six million, two hundred ninety-two thousand, nine hundred seventy-eight".
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