Base | Representation |
---|---|
bin | 110001000011111110… |
… | …010000101010000101 |
3 | 12000222100201101110220 |
4 | 301003332100222011 |
5 | 1330342040032211 |
6 | 40111215134553 |
7 | 3543313426122 |
oct | 610376205205 |
9 | 160870641426 |
10 | 52680002181 |
11 | 20383540394 |
12 | a262514459 |
13 | 4c77074031 |
14 | 279a639749 |
15 | 1584cc9806 |
hex | c43f90a85 |
52680002181 has 8 divisors (see below), whose sum is σ = 70355721984. Its totient is φ = 35062141920.
The previous prime is 52680002161. The next prime is 52680002197. The reversal of 52680002181 is 18120008625.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 52680002181 - 25 = 52680002149 is a prime.
It is a super-2 number, since 2×526800021812 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52680002161) 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, 14462760 + ... + 14466401.
It is an arithmetic number, because the mean of its divisors is an integer number (8794465248).
Almost surely, 252680002181 is an apocalyptic number.
It is an amenable number.
52680002181 is a deficient number, since it is larger than the sum of its proper divisors (17675719803).
52680002181 is a wasteful number, since it uses less digits than its factorization.
52680002181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28929771.
The product of its (nonzero) digits is 7680, while the sum is 33.
The spelling of 52680002181 in words is "fifty-two billion, six hundred eighty million, two thousand, one hundred eighty-one".
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