Base | Representation |
---|---|
bin | 1001010110111101101100… |
… | …11000010000110100111011 |
3 | 2200212110012212200112122210 |
4 | 10223132312120100310323 |
5 | 10144141322010110302 |
6 | 111434234021150203 |
7 | 4222605506522442 |
oct | 453366630206473 |
9 | 80773185615583 |
10 | 20580248128827 |
11 | 66150415a7462 |
12 | 238470b55b363 |
13 | b6392aaa23ba |
14 | 512137169d59 |
15 | 25a515b4c66c |
hex | 12b7b6610d3b |
20580248128827 has 8 divisors (see below), whose sum is σ = 27440389722960. Its totient is φ = 13720135976960.
The previous prime is 20580248128777. The next prime is 20580248128879. The reversal of 20580248128827 is 72882184208502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20580248128827 - 214 = 20580248112443 is a prime.
It is a super-2 number, since 2×205802481288272 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20580248126827) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5674374 + ... + 8564987.
It is an arithmetic number, because the mean of its divisors is an integer number (3430048715370).
Almost surely, 220580248128827 is an apocalyptic number.
20580248128827 is a deficient number, since it is larger than the sum of its proper divisors (6860141594133).
20580248128827 is a wasteful number, since it uses less digits than its factorization.
20580248128827 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14721133.
The product of its (nonzero) digits is 9175040, while the sum is 57.
The spelling of 20580248128827 in words is "twenty trillion, five hundred eighty billion, two hundred forty-eight million, one hundred twenty-eight thousand, eight hundred twenty-seven".
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