Base | Representation |
---|---|
bin | 1000010000110010111… |
… | …0001001010011010001 |
3 | 111120101112222012122001 |
4 | 2010030232021103101 |
5 | 4311202010002311 |
6 | 145113144114001 |
7 | 13153405342204 |
oct | 2041456112321 |
9 | 446345865561 |
10 | 141947344081 |
11 | 55221636614 |
12 | 23615a65901 |
13 | 105021610ba |
14 | 6c280db93b |
15 | 3a5bb824c1 |
hex | 210cb894d1 |
141947344081 has 3 divisors (see below), whose sum is σ = 141947720841. Its totient is φ = 141946967322.
The previous prime is 141947344037. The next prime is 141947344139. The reversal of 141947344081 is 180443749141.
The square root of 141947344081 is 376759.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 141947344081 - 29 = 141947343569 is a prime.
It is a super-2 number, since 2×1419473440812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (141947344001) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 188380 + ... + 565138.
It is an arithmetic number, because the mean of its divisors is an integer number (47315906947).
Almost surely, 2141947344081 is an apocalyptic number.
141947344081 is the 376759-th square number.
141947344081 is the 188380-th centered octagonal number.
It is an amenable number.
141947344081 is a deficient number, since it is larger than the sum of its proper divisors (376760).
141947344081 is an frugal number, since it uses more digits than its factorization.
141947344081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 753518 (or 376759 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 46.
The spelling of 141947344081 in words is "one hundred forty-one billion, nine hundred forty-seven million, three hundred forty-four thousand, eighty-one".
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