Base | Representation |
---|---|
bin | 11001011110101001110101… |
… | …01011011000101010110001 |
3 | 21100101022012200202020112121 |
4 | 30233110322223120222301 |
5 | 24320434022200444311 |
6 | 315055142423554241 |
7 | 14541643465060501 |
oct | 1457247253305261 |
9 | 240338180666477 |
10 | 56028832828081 |
11 | 1694177050aa83 |
12 | 634a91a8bb981 |
13 | 253565b3a8999 |
14 | db9b4a819a01 |
15 | 67268a01cb71 |
hex | 32f53aad8ab1 |
56028832828081 has 9 divisors (see below), whose sum is σ = 56266040517241. Its totient is φ = 55792621077844.
The previous prime is 56028832828049. The next prime is 56028832828103. The reversal of 56028832828081 is 18082823882065.
The square root of 56028832828081 is 7485241.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 56028832828081 - 25 = 56028832828049 is a prime.
It is a super-2 number, since 2×560288328280812 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (56028832828181) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1788956940 + ... + 1788988258.
Almost surely, 256028832828081 is an apocalyptic number.
56028832828081 is the 7485241-st square number.
56028832828081 is the 3742621-st centered octagonal number.
It is an amenable number.
56028832828081 is a deficient number, since it is larger than the sum of its proper divisors (237207689160).
56028832828081 is an frugal number, since it uses more digits than its factorization.
56028832828081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63116 (or 31558 counting only the distinct ones).
The product of its (nonzero) digits is 23592960, while the sum is 61.
The spelling of 56028832828081 in words is "fifty-six trillion, twenty-eight billion, eight hundred thirty-two million, eight hundred twenty-eight thousand, eighty-one".
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