Base | Representation |
---|---|
bin | 110010011011101101… |
… | …111111001000110001 |
3 | 12011202221210021201222 |
4 | 302123231333020301 |
5 | 1341400421143441 |
6 | 40513244034425 |
7 | 3624640343204 |
oct | 623355771061 |
9 | 164687707658 |
10 | 54152131121 |
11 | 20a69514680 |
12 | a5b3532a15 |
13 | 515005834a |
14 | 2899d6593b |
15 | 161e16ad4b |
hex | c9bb7f231 |
54152131121 has 32 divisors (see below), whose sum is σ = 60758087040. Its totient is φ = 47849472000.
The previous prime is 54152131073. The next prime is 54152131123. The reversal of 54152131121 is 12113125145.
It is not a de Polignac number, because 54152131121 - 230 = 53078389297 is a prime.
It is not an unprimeable number, because it can be changed into a prime (54152131123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28666145 + ... + 28668033.
It is an arithmetic number, because the mean of its divisors is an integer number (1898690220).
Almost surely, 254152131121 is an apocalyptic number.
It is an amenable number.
54152131121 is a deficient number, since it is larger than the sum of its proper divisors (6605955919).
54152131121 is a wasteful number, since it uses less digits than its factorization.
54152131121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2465.
The product of its digits is 1200, while the sum is 26.
Adding to 54152131121 its reverse (12113125145), we get a palindrome (66265256266).
The spelling of 54152131121 in words is "fifty-four billion, one hundred fifty-two million, one hundred thirty-one thousand, one hundred twenty-one".
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