Base | Representation |
---|---|
bin | 1011101111001111100100… |
… | …1011100011100111100010 |
3 | 1200200211022121111200002200 |
4 | 2323303321023203213202 |
5 | 3142424011123012232 |
6 | 43241015520354030 |
7 | 2501306132406441 |
oct | 273637113434742 |
9 | 50624277450080 |
10 | 12906262313442 |
11 | 4126573679453 |
12 | 15453a1175916 |
13 | 7280946a89b4 |
14 | 328948976d58 |
15 | 175ac50ec77c |
hex | bbcf92e39e2 |
12906262313442 has 24 divisors (see below), whose sum is σ = 27980650613916. Its totient is φ = 4299459396576.
The previous prime is 12906262313437. The next prime is 12906262313443. The reversal of 12906262313442 is 24431326260921.
12906262313442 is a `hidden beast` number, since 1 + 2 + 9 + 0 + 6 + 2 + 623 + 13 + 4 + 4 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 12901379238801 + 4883074641 = 3591849^2 + 69879^2 .
It is not an unprimeable number, because it can be changed into a prime (12906262313443) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218973153 + ... + 219032084.
Almost surely, 212906262313442 is an apocalyptic number.
12906262313442 is an abundant number, since it is smaller than the sum of its proper divisors (15074388300474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12906262313442 is a wasteful number, since it uses less digits than its factorization.
12906262313442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 438006882 (or 438006879 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 45.
The spelling of 12906262313442 in words is "twelve trillion, nine hundred six billion, two hundred sixty-two million, three hundred thirteen thousand, four hundred forty-two".
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