Base | Representation |
---|---|
bin | 101110110010000001… |
… | …101001000101010001 |
3 | 11210122201021021111021 |
4 | 232302001221011101 |
5 | 1310333220240441 |
6 | 35024225315441 |
7 | 3425531661256 |
oct | 566201510521 |
9 | 153581237437 |
10 | 50231415121 |
11 | 1a337362718 |
12 | 989a495b81 |
13 | 49769a6154 |
14 | 260736d42d |
15 | 148ed573d1 |
hex | bb2069151 |
50231415121 has 6 divisors (see below), whose sum is σ = 50928948150. Its totient is φ = 49543308288.
The previous prime is 50231415077. The next prime is 50231415137. The reversal of 50231415121 is 12151413205.
It can be written as a sum of positive squares in 3 ways, for example, as 3168451521 + 47062963600 = 56289^2 + 216940^2 .
It is not a de Polignac number, because 50231415121 - 227 = 50097197393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50231415151) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4707696 + ... + 4718353.
It is an arithmetic number, because the mean of its divisors is an integer number (8488158025).
Almost surely, 250231415121 is an apocalyptic number.
It is an amenable number.
50231415121 is a deficient number, since it is larger than the sum of its proper divisors (697533029).
50231415121 is an frugal number, since it uses more digits than its factorization.
50231415121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9426195 (or 9426122 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 25.
Adding to 50231415121 its reverse (12151413205), we get a palindrome (62382828326).
The spelling of 50231415121 in words is "fifty billion, two hundred thirty-one million, four hundred fifteen thousand, one hundred twenty-one".
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