Base | Representation |
---|---|
bin | 11101110010100110110100… |
… | …010110101110110001100000 |
3 | 122011220111002222200221112010 |
4 | 131302212310112232301200 |
5 | 114133122003311101422 |
6 | 1142354115024232520 |
7 | 36411645412665303 |
oct | 3562466426566140 |
9 | 564814088627463 |
10 | 131021003222112 |
11 | 38824771676823 |
12 | 128408b8a6b740 |
13 | 58152c60232b3 |
14 | 244d643c36b3a |
15 | 1023254b96b0c |
hex | 7729b45aec60 |
131021003222112 has 96 divisors (see below), whose sum is σ = 365415193987200. Its totient is φ = 40988370843648.
The previous prime is 131021003222099. The next prime is 131021003222129. The reversal of 131021003222112 is 211222300120131.
It is a tau number, because it is divible by the number of its divisors (96).
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, 335466937 + ... + 335857272.
It is an arithmetic number, because the mean of its divisors is an integer number (3806408270700).
Almost surely, 2131021003222112 is an apocalyptic number.
131021003222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131021003222112 is an abundant number, since it is smaller than the sum of its proper divisors (234394190765088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131021003222112 is a wasteful number, since it uses less digits than its factorization.
131021003222112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 671324348 (or 671324340 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 131021003222112 its reverse (211222300120131), we get a palindrome (342243303342243).
The spelling of 131021003222112 in words is "one hundred thirty-one trillion, twenty-one billion, three million, two hundred twenty-two thousand, one hundred twelve".
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