Base | Representation |
---|---|
bin | 1010111011110101101101… |
… | …1010010100101001100001 |
3 | 1120120101211210102000211211 |
4 | 2232331123122110221201 |
5 | 3033441401123312411 |
6 | 41323205120310121 |
7 | 2350433536014334 |
oct | 256753332245141 |
9 | 46511753360754 |
10 | 12023147088481 |
11 | 3915a960a7aa1 |
12 | 14221bb772341 |
13 | 692a1609b649 |
14 | 2d7ccdc3861b |
15 | 15cb3a0d7221 |
hex | aef5b694a61 |
12023147088481 has 9 divisors (see below), whose sum is σ = 12038913372369. Its totient is φ = 12007401438900.
The previous prime is 12023147088473. The next prime is 12023147088487. The reversal of 12023147088481 is 18488074132021.
It is a happy number.
The square root of 12023147088481 is 3467441.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 12023147088481 - 23 = 12023147088473 is a prime.
It is a super-2 number, since 2×120231470884812 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12023147088487) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3366883426 + ... + 3366886996.
Almost surely, 212023147088481 is an apocalyptic number.
12023147088481 is the 3467441-st square number.
12023147088481 is the 1733721-st centered octagonal number.
It is an amenable number.
12023147088481 is a deficient number, since it is larger than the sum of its proper divisors (15766283888).
12023147088481 is an frugal number, since it uses more digits than its factorization.
12023147088481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9084 (or 4542 counting only the distinct ones).
The product of its (nonzero) digits is 688128, while the sum is 49.
Multiplying 12023147088481 by its sum of digits (49), we get a square (589134207335569 = 242720872).
The spelling of 12023147088481 in words is "twelve trillion, twenty-three billion, one hundred forty-seven million, eighty-eight thousand, four hundred eighty-one".
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