Base | Representation |
---|---|
bin | 11010001000101010… |
… | …001000110011010011 |
3 | 2200102201122022100001 |
4 | 122020222020303103 |
5 | 424433003120001 |
6 | 20520341510431 |
7 | 2012262515140 |
oct | 321052106323 |
9 | 80381568301 |
10 | 28062551251 |
11 | 109a0640119 |
12 | 5532112417 |
13 | 2852b7c017 |
14 | 1502dd33c7 |
15 | ae39c0001 |
hex | 688a88cd3 |
28062551251 has 8 divisors (see below), whose sum is σ = 32215307264. Its totient is φ = 23945750280.
The previous prime is 28062551227. The next prime is 28062551261. The reversal of 28062551251 is 15215526082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28062551251 - 29 = 28062550739 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28062551251.
It is not an unprimeable number, because it can be changed into a prime (28062551221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8987085 + ... + 8990206.
It is an arithmetic number, because the mean of its divisors is an integer number (4026913408).
Almost surely, 228062551251 is an apocalyptic number.
28062551251 is a deficient number, since it is larger than the sum of its proper divisors (4152756013).
28062551251 is a wasteful number, since it uses less digits than its factorization.
28062551251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17977521.
The product of its (nonzero) digits is 48000, while the sum is 37.
The spelling of 28062551251 in words is "twenty-eight billion, sixty-two million, five hundred fifty-one thousand, two hundred fifty-one".
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