Base | Representation |
---|---|
bin | 1101000100111110000011… |
… | …01101110100100010000111 |
3 | 10202211020120101001210002210 |
4 | 12202133001231310202013 |
5 | 12232132444322423223 |
6 | 141055134002234503 |
7 | 6025462303161000 |
oct | 642370155644207 |
9 | 122736511053083 |
10 | 28758056061063 |
11 | 918824aa1a91a |
12 | 3285606955a33 |
13 | 1307b47125a84 |
14 | 715c7c4301a7 |
15 | 34d0e2b19893 |
hex | 1a27c1b74887 |
28758056061063 has 32 divisors (see below), whose sum is σ = 45126361984000. Its totient is φ = 16282411756128.
The previous prime is 28758056061001. The next prime is 28758056061083. The reversal of 28758056061063 is 36016065085782.
It is not a de Polignac number, because 28758056061063 - 216 = 28758055995527 is a prime.
It is a super-2 number, since 2×287580560610632 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28758056060994 and 28758056061012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28758056061083) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128087731 + ... + 128312052.
It is an arithmetic number, because the mean of its divisors is an integer number (1410198812000).
Almost surely, 228758056061063 is an apocalyptic number.
28758056061063 is a deficient number, since it is larger than the sum of its proper divisors (16368305922937).
28758056061063 is a wasteful number, since it uses less digits than its factorization.
28758056061063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 256399916 (or 256399902 counting only the distinct ones).
The product of its (nonzero) digits is 14515200, while the sum is 57.
The spelling of 28758056061063 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty-one thousand, sixty-three".
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