Base | Representation |
---|---|
bin | 101000101111110001111… |
… | …110110101000100000001 |
3 | 100220200111122002021100211 |
4 | 220233301332311010001 |
5 | 331334032333122100 |
6 | 5542201322514121 |
7 | 406204451644234 |
oct | 50576176650401 |
9 | 10820448067324 |
10 | 2800083489025 |
11 | 98a56614a079 |
12 | 392812365941 |
13 | 17407b8c3224 |
14 | 9974bd4941b |
15 | 4cc837b21ba |
hex | 28bf1fb5101 |
2800083489025 has 45 divisors (see below), whose sum is σ = 3574520767833. Its totient is φ = 2175883970400.
The previous prime is 2800083489023. The next prime is 2800083489031. The reversal of 2800083489025 is 5209843800082.
It is a happy number.
The square root of 2800083489025 is 1673345.
It is a perfect power (a square), and thus also a powerful number.
2800083489025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1502798936769 + 1297284552256 = 1225887^2 + 1138984^2 .
It is not a de Polignac number, because 2800083489025 - 21 = 2800083489023 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2800083489025.
It is not an unprimeable number, because it can be changed into a prime (2800083489023) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 15470074435 + ... + 15470074615.
Almost surely, 22800083489025 is an apocalyptic number.
2800083489025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2800083489025 is the 1673345-th square number.
2800083489025 is the 836673-rd centered octagonal number.
It is an amenable number.
2800083489025 is a deficient number, since it is larger than the sum of its proper divisors (774437278808).
2800083489025 is an frugal number, since it uses more digits than its factorization.
2800083489025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 544 (or 229 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 49.
Multiplying 2800083489025 by its sum of digits (49), we get a square (137204090962225 = 117134152).
The spelling of 2800083489025 in words is "two trillion, eight hundred billion, eighty-three million, four hundred eighty-nine thousand, twenty-five".
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