Base | Representation |
---|---|
bin | 11001100100100111… |
… | …000010101111010110 |
3 | 2121212120121202000000 |
4 | 121210213002233112 |
5 | 422213141311324 |
6 | 20340335032130 |
7 | 1661300053023 |
oct | 314447025726 |
9 | 77776552000 |
10 | 27457760214 |
11 | 1071020a715 |
12 | 53a366b646 |
13 | 27877967c1 |
14 | 148696054a |
15 | aaa8579c9 |
hex | 6649c2bd6 |
27457760214 has 56 divisors (see below), whose sum is σ = 62010874080. Its totient is φ = 9114175728.
The previous prime is 27457760201. The next prime is 27457760219. The reversal of 27457760214 is 41206775472.
27457760214 is a `hidden beast` number, since 2 + 7 + 4 + 577 + 60 + 2 + 14 = 666.
It is a nialpdrome in base 9.
It is a self number, because there is not a number n which added to its sum of digits gives 27457760214.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27457760219) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 309064 + ... + 387860.
Almost surely, 227457760214 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27457760214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31005437040).
27457760214 is an abundant number, since it is smaller than the sum of its proper divisors (34553113866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27457760214 is an equidigital number, since it uses as much as digits as its factorization.
27457760214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79056 (or 79041 counting only the distinct ones).
The product of its (nonzero) digits is 658560, while the sum is 45.
The spelling of 27457760214 in words is "twenty-seven billion, four hundred fifty-seven million, seven hundred sixty thousand, two hundred fourteen".
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