Base | Representation |
---|---|
bin | 11101111011110100011… |
… | …11111101001010010100 |
3 | 10122022212021212120111212 |
4 | 32331322033331022110 |
5 | 113322431313434042 |
6 | 2104301501120552 |
7 | 134211245223161 |
oct | 16757217751224 |
9 | 3568767776455 |
10 | 1028548186772 |
11 | 367228701187 |
12 | 14740a859158 |
13 | 75cb7940652 |
14 | 37ad3b33068 |
15 | 1bb4cbb3482 |
hex | ef7a3fd294 |
1028548186772 has 48 divisors (see below), whose sum is σ = 1911244144320. Its totient is φ = 482651097600.
The previous prime is 1028548186741. The next prime is 1028548186817. The reversal of 1028548186772 is 2776818458201.
It is a super-2 number, since 2×10285481867722 (a number of 25 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73824647 + ... + 73838577.
It is an arithmetic number, because the mean of its divisors is an integer number (39817586340).
Almost surely, 21028548186772 is an apocalyptic number.
It is an amenable number.
1028548186772 is a deficient number, since it is larger than the sum of its proper divisors (882695957548).
1028548186772 is a wasteful number, since it uses less digits than its factorization.
1028548186772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16952 (or 16950 counting only the distinct ones).
The product of its (nonzero) digits is 12042240, while the sum is 59.
The spelling of 1028548186772 in words is "one trillion, twenty-eight billion, five hundred forty-eight million, one hundred eighty-six thousand, seven hundred seventy-two".
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