Base | Representation |
---|---|
bin | 1101000100111110000011… |
… | …01101110100001001000010 |
3 | 10202211020120101001200220100 |
4 | 12202133001231310021002 |
5 | 12232132444322400313 |
6 | 141055134002223230 |
7 | 6025462303153215 |
oct | 642370155641102 |
9 | 122736511050810 |
10 | 28758056059458 |
11 | 918824aa196a0 |
12 | 3285606954b16 |
13 | 1307b4712511b |
14 | 715c7c42d77c |
15 | 34d0e2b19173 |
hex | 1a27c1b74242 |
28758056059458 has 48 divisors (see below), whose sum is σ = 68792545969056. Its totient is φ = 8609567709120.
The previous prime is 28758056059457. The next prime is 28758056059459. The reversal of 28758056059458 is 85495065085782.
It is a happy number.
28758056059458 is a `hidden beast` number, since 2 + 8 + 7 + 5 + 8 + 0 + 5 + 605 + 9 + 4 + 5 + 8 = 666.
It is an interprime number because it is at equal distance from previous prime (28758056059457) and next prime (28758056059459).
It is not an unprimeable number, because it can be changed into a prime (28758056059457) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 874939635 + ... + 874972502.
It is an arithmetic number, because the mean of its divisors is an integer number (1433178041022).
Almost surely, 228758056059458 is an apocalyptic number.
28758056059458 is an abundant number, since it is smaller than the sum of its proper divisors (40034489909598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28758056059458 is a wasteful number, since it uses less digits than its factorization.
28758056059458 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1749912239 (or 1749912236 counting only the distinct ones).
The product of its (nonzero) digits is 967680000, while the sum is 72.
The spelling of 28758056059458 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, fifty-nine thousand, four hundred fifty-eight".
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