Base | Representation |
---|---|
bin | 110100101100010100… |
… | …110110011010010101 |
3 | 12102001000221021212001 |
4 | 310230110312122111 |
5 | 1411333012104401 |
6 | 41554111555301 |
7 | 4042030042330 |
oct | 645424663225 |
9 | 172030837761 |
10 | 56578238101 |
11 | 21aa3a38770 |
12 | ab6bb2bb31 |
13 | 5448884cc8 |
14 | 2a4a25d617 |
15 | 171214c601 |
hex | d2c536695 |
56578238101 has 32 divisors (see below), whose sum is σ = 74711559168. Its totient is φ = 41480759040.
The previous prime is 56578238099. The next prime is 56578238113. The reversal of 56578238101 is 10183287565.
56578238101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 56578238101 - 21 = 56578238099 is a prime.
It is a super-3 number, since 3×565782381013 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56578238401) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7173306 + ... + 7181188.
It is an arithmetic number, because the mean of its divisors is an integer number (2334736224).
Almost surely, 256578238101 is an apocalyptic number.
It is an amenable number.
56578238101 is a deficient number, since it is larger than the sum of its proper divisors (18133321067).
56578238101 is a wasteful number, since it uses less digits than its factorization.
56578238101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13401.
The product of its (nonzero) digits is 403200, while the sum is 46.
The spelling of 56578238101 in words is "fifty-six billion, five hundred seventy-eight million, two hundred thirty-eight thousand, one hundred one".
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