Base | Representation |
---|---|
bin | 11010000010010100… |
… | …011101101010010000 |
3 | 2200011022112102101100 |
4 | 122002110131222100 |
5 | 424223242044344 |
6 | 20502022304400 |
7 | 2006531555262 |
oct | 320224355220 |
9 | 80138472340 |
10 | 27956206224 |
11 | 10946605571 |
12 | 5502588100 |
13 | 2836b2647b |
14 | 14d2c2db32 |
15 | ad94b5569 |
hex | 68251da90 |
27956206224 has 120 divisors (see below), whose sum is σ = 80847396864. Its totient is φ = 9008640000.
The previous prime is 27956206207. The next prime is 27956206231. The reversal of 27956206224 is 42260265972.
27956206224 is a `hidden beast` number, since 2 + 7 + 9 + 562 + 0 + 62 + 24 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 27956206224.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5135344 + ... + 5140784.
Almost surely, 227956206224 is an apocalyptic number.
27956206224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27956206224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40423698432).
27956206224 is an abundant number, since it is smaller than the sum of its proper divisors (52891190640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27956206224 is a wasteful number, since it uses less digits than its factorization.
27956206224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6637 (or 6628 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 45.
It can be divided in two parts, 279 and 56206224, that added together give a triangular number (56206503 = T10602).
The spelling of 27956206224 in words is "twenty-seven billion, nine hundred fifty-six million, two hundred six thousand, two hundred twenty-four".
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