Base | Representation |
---|---|
bin | 11101111000001001110111… |
… | …010000101101100011001010 |
3 | 122020020221010100202020210010 |
4 | 131320021313100231203022 |
5 | 114210343231430322102 |
6 | 1143245203512132350 |
7 | 36451332522614223 |
oct | 3570116720554312 |
9 | 566227110666703 |
10 | 131402230323402 |
11 | 389614114064a5 |
12 | 128a27710970b6 |
13 | 584223c27993c |
14 | 2463c8aa9a24a |
15 | 102d118414d6c |
hex | 77827742d8ca |
131402230323402 has 8 divisors (see below), whose sum is σ = 262804460646816. Its totient is φ = 43800743441132.
The previous prime is 131402230323367. The next prime is 131402230323439. The reversal of 131402230323402 is 204323032204131.
It is a happy number.
131402230323402 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
131402230323402 is an admirable number.
It is a super-2 number, since 2×1314022303234022 (a number of 29 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 131402230323402.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10950185860278 + ... + 10950185860289.
It is an arithmetic number, because the mean of its divisors is an integer number (32850557580852).
Almost surely, 2131402230323402 is an apocalyptic number.
131402230323402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131402230323402 is a wasteful number, since it uses less digits than its factorization.
131402230323402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21900371720572.
The product of its (nonzero) digits is 20736, while the sum is 30.
Adding to 131402230323402 its reverse (204323032204131), we get a palindrome (335725262527533).
The spelling of 131402230323402 in words is "one hundred thirty-one trillion, four hundred two billion, two hundred thirty million, three hundred twenty-three thousand, four hundred two".
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