Base | Representation |
---|---|
bin | 10001111010010010110… |
… | …100010011010001100001 |
3 | 11100122222020011221111221 |
4 | 101322102310103101201 |
5 | 130131211400040000 |
6 | 2341233242135041 |
7 | 154631650640314 |
oct | 21722264232141 |
9 | 4318866157457 |
10 | 1230823830625 |
11 | 434a97a68284 |
12 | 17a6604b1481 |
13 | 8c0b255783c |
14 | 4380214297b |
15 | 2203ace761a |
hex | 11e92d13461 |
1230823830625 has 45 divisors (see below), whose sum is σ = 1552768074693. Its totient is φ = 975317706000.
The previous prime is 1230823830569. The next prime is 1230823830689. The reversal of 1230823830625 is 5260383280321.
The square root of 1230823830625 is 1109425.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 2 ways, for example, as 96496588321 + 1134327242304 = 310639^2 + 1065048^2 .
It is not a de Polignac number, because 1230823830625 - 221 = 1230821733473 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5519389264 + ... + 5519389486.
Almost surely, 21230823830625 is an apocalyptic number.
1230823830625 is the 1109425-th square number.
1230823830625 is the 554713-rd centered octagonal number.
It is an amenable number.
1230823830625 is a deficient number, since it is larger than the sum of its proper divisors (321944244068).
1230823830625 is an frugal number, since it uses more digits than its factorization.
1230823830625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 864 (or 427 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 43.
The spelling of 1230823830625 in words is "one trillion, two hundred thirty billion, eight hundred twenty-three million, eight hundred thirty thousand, six hundred twenty-five".
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