Base | Representation |
---|---|
bin | 1101000100111110000011… |
… | …01101110100100001111000 |
3 | 10202211020120101001210002020 |
4 | 12202133001231310201320 |
5 | 12232132444322423143 |
6 | 141055134002234440 |
7 | 6025462303160646 |
oct | 642370155644170 |
9 | 122736511053066 |
10 | 28758056061048 |
11 | 918824aa1a906 |
12 | 3285606955a20 |
13 | 1307b47125a72 |
14 | 715c7c430196 |
15 | 34d0e2b19883 |
hex | 1a27c1b74878 |
28758056061048 has 32 divisors (see below), whose sum is σ = 71932333822800. Its totient is φ = 9581059531008.
The previous prime is 28758056061001. The next prime is 28758056061083. The reversal of 28758056061048 is 84016065085782.
It is a junction number, because it is equal to n+sod(n) for n = 28758056060982 and 28758056061000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309899893 + ... + 309992676.
Almost surely, 228758056061048 is an apocalyptic number.
It is an amenable number.
28758056061048 is an abundant number, since it is smaller than the sum of its proper divisors (43174277761752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28758056061048 is a wasteful number, since it uses less digits than its factorization.
28758056061048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 619894511 (or 619894507 counting only the distinct ones).
The product of its (nonzero) digits is 25804800, while the sum is 60.
The spelling of 28758056061048 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty-one thousand, forty-eight".
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