Base | Representation |
---|---|
bin | 110101110011110100… |
… | …0011111100000101101 |
3 | 102001021020200112021120 |
4 | 1223213220133200231 |
5 | 3343124124121141 |
6 | 125030235051153 |
7 | 11230365566340 |
oct | 1534750374055 |
9 | 361236615246 |
10 | 115555301421 |
11 | 45008a5630a |
12 | 1a48b2a0ab9 |
13 | ab87404001 |
14 | 5842d14457 |
15 | 3014b8cc66 |
hex | 1ae7a1f82d |
115555301421 has 8 divisors (see below), whose sum is σ = 176084268864. Its totient is φ = 66031600800.
The previous prime is 115555301341. The next prime is 115555301483. The reversal of 115555301421 is 124103555511.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 115555301421 - 210 = 115555300397 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (115555301921) 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, 2751316680 + ... + 2751316721.
It is an arithmetic number, because the mean of its divisors is an integer number (22010533608).
Almost surely, 2115555301421 is an apocalyptic number.
It is an amenable number.
115555301421 is a deficient number, since it is larger than the sum of its proper divisors (60528967443).
115555301421 is an equidigital number, since it uses as much as digits as its factorization.
115555301421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5502633411.
The product of its (nonzero) digits is 15000, while the sum is 33.
Adding to 115555301421 its reverse (124103555511), we get a palindrome (239658856932).
The spelling of 115555301421 in words is "one hundred fifteen billion, five hundred fifty-five million, three hundred one thousand, four hundred twenty-one".
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