Base | Representation |
---|---|
bin | 1010111101100010000100… |
… | …1110100001001100100000 |
3 | 1120200011221000201220222222 |
4 | 2233120201032201030200 |
5 | 3034430434313433223 |
6 | 41344415354050212 |
7 | 2352513431016161 |
oct | 257304116411440 |
9 | 46604830656888 |
10 | 12052235686688 |
11 | 39273629313aa |
12 | 1427979419968 |
13 | 6956a06a7432 |
14 | 2d948d1d9768 |
15 | 15d78dbd10c8 |
hex | af6213a1320 |
12052235686688 has 96 divisors (see below), whose sum is σ = 24712564263408. Its totient is φ = 5780997734400.
The previous prime is 12052235686669. The next prime is 12052235686747. The reversal of 12052235686688 is 88668653225021.
It is a Cunningham number, because it is equal to 34716332-1.
It can be written as a sum of positive squares in 8 ways, for example, as 323610801424 + 11728624885264 = 568868^2 + 3424708^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 12052235686688.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284652656 + ... + 284694992.
Almost surely, 212052235686688 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12052235686688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12356282131704).
12052235686688 is an abundant number, since it is smaller than the sum of its proper divisors (12660328576720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12052235686688 is a wasteful number, since it uses less digits than its factorization.
12052235686688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46006 (or 45998 counting only the distinct ones).
The product of its (nonzero) digits is 66355200, while the sum is 62.
The spelling of 12052235686688 in words is "twelve trillion, fifty-two billion, two hundred thirty-five million, six hundred eighty-six thousand, six hundred eighty-eight".
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