Base | Representation |
---|---|
bin | 11101110011110000011001… |
… | …001011010001111001110101 |
3 | 122012012001000200211220101010 |
4 | 131303300121023101321311 |
5 | 114140420302024133141 |
6 | 1142454302132022433 |
7 | 36420443213431164 |
oct | 3563603113217165 |
9 | 565161020756333 |
10 | 131100004130421 |
11 | 3885522161a497 |
12 | 12854086161a19 |
13 | 581c8a61784a1 |
14 | 24533ba01d3db |
15 | 102532a5b3416 |
hex | 773c192d1e75 |
131100004130421 has 8 divisors (see below), whose sum is σ = 174835197797184. Its totient is φ = 87382406608640.
The previous prime is 131100004130419. The next prime is 131100004130443. The reversal of 131100004130421 is 124031400001131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131100004130421 - 21 = 131100004130419 is a prime.
It is a super-2 number, since 2×1311000041304212 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131100004150421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4399018860 + ... + 4399048661.
It is an arithmetic number, because the mean of its divisors is an integer number (21854399724648).
Almost surely, 2131100004130421 is an apocalyptic number.
It is an amenable number.
131100004130421 is a deficient number, since it is larger than the sum of its proper divisors (43735193666763).
131100004130421 is an equidigital number, since it uses as much as digits as its factorization.
131100004130421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8798072491.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 131100004130421 its reverse (124031400001131), we get a palindrome (255131404131552).
The spelling of 131100004130421 in words is "one hundred thirty-one trillion, one hundred billion, four million, one hundred thirty thousand, four hundred twenty-one".
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