Base | Representation |
---|---|
bin | 1101000010000011010100… |
… | …01000111100000111100000 |
3 | 10202110122210112100120210000 |
4 | 12201001222020330013200 |
5 | 12224012134421332300 |
6 | 140541113541140000 |
7 | 6015313030201500 |
oct | 641015210740740 |
9 | 122418715316700 |
10 | 28657802527200 |
11 | 9149784468000 |
12 | 326a0a80ba600 |
13 | 12cb55ac372c2 |
14 | 71108b853a00 |
15 | 34a6c64edc00 |
hex | 1a106a23c1e0 |
28657802527200 has 2160 divisors, whose sum is σ = 133740003873168. Its totient is φ = 5953989888000.
The previous prime is 28657802527187. The next prime is 28657802527213. The reversal of 28657802527200 is 272520875682.
28657802527200 is a `hidden beast` number, since 2 + 8 + 6 + 578 + 0 + 25 + 27 + 20 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (28657802527187) and next prime (28657802527213).
It is a tau number, because it is divible by the number of its divisors (2160).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 4226187810 + ... + 4226194590.
Almost surely, 228657802527200 is an apocalyptic number.
28657802527200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28657802527200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66870001936584).
28657802527200 is an abundant number, since it is smaller than the sum of its proper divisors (105082201345968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28657802527200 is a wasteful number, since it uses less digits than its factorization.
28657802527200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6860 (or 6809 counting only the distinct ones).
The product of its (nonzero) digits is 7526400, while the sum is 54.
The spelling of 28657802527200 in words is "twenty-eight trillion, six hundred fifty-seven billion, eight hundred two million, five hundred twenty-seven thousand, two hundred".
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