Base | Representation |
---|---|
bin | 11010001000101001… |
… | …110111011010110001 |
3 | 2200102201111200122221 |
4 | 122020221313122301 |
5 | 424432443330144 |
6 | 20520340201041 |
7 | 2012262100432 |
oct | 321051673261 |
9 | 80381450587 |
10 | 28062480049 |
11 | 109a05a167a |
12 | 5532099181 |
13 | 2852b557a6 |
14 | 1502db5489 |
15 | ae39a8d84 |
hex | 688a776b1 |
28062480049 has 8 divisors (see below), whose sum is σ = 28192487360. Its totient is φ = 27932538096.
The previous prime is 28062480041. The next prime is 28062480071. The reversal of 28062480049 is 94008426082.
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 28062480049 - 23 = 28062480041 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28062479987 and 28062480014.
It is not an unprimeable number, because it can be changed into a prime (28062480041) 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, 985084 + ... + 1013170.
It is an arithmetic number, because the mean of its divisors is an integer number (3524060920).
Almost surely, 228062480049 is an apocalyptic number.
It is an amenable number.
28062480049 is a deficient number, since it is larger than the sum of its proper divisors (130007311).
28062480049 is a wasteful number, since it uses less digits than its factorization.
28062480049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32679.
The product of its (nonzero) digits is 221184, while the sum is 43.
The spelling of 28062480049 in words is "twenty-eight billion, sixty-two million, four hundred eighty thousand, forty-nine".
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