Base | Representation |
---|---|
bin | 1011011001100001111110… |
… | …1000100101010110000000 |
3 | 1122101011111102012011000210 |
4 | 2312120133220211112000 |
5 | 3120321041244132034 |
6 | 42353405435314120 |
7 | 2432332334211120 |
oct | 266303750452600 |
9 | 48334442164023 |
10 | 12533245302144 |
11 | 3aa2357260916 |
12 | 14a503a5ab940 |
13 | 6cbb59373278 |
14 | 314880268c80 |
15 | 16b0425288e9 |
hex | b661fa25580 |
12533245302144 has 128 divisors (see below), whose sum is σ = 38049678201600. Its totient is φ = 3580708276224.
The previous prime is 12533245302139. The next prime is 12533245302157. The reversal of 12533245302144 is 44120354233521.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
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, 46688434 + ... + 46956110.
It is an arithmetic number, because the mean of its divisors is an integer number (297263110950).
Almost surely, 212533245302144 is an apocalyptic number.
12533245302144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12533245302144 is an abundant number, since it is smaller than the sum of its proper divisors (25516432899456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12533245302144 is a wasteful number, since it uses less digits than its factorization.
12533245302144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285120 (or 285108 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 39.
Adding to 12533245302144 its reverse (44120354233521), we get a palindrome (56653599535665).
The spelling of 12533245302144 in words is "twelve trillion, five hundred thirty-three billion, two hundred forty-five million, three hundred two thousand, one hundred forty-four".
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