Base | Representation |
---|---|
bin | 1110110011000… |
… | …01011101011001 |
3 | 22122120111221102 |
4 | 13121201131121 |
5 | 223234144121 |
6 | 20152321145 |
7 | 3035045300 |
oct | 731413531 |
9 | 278514842 |
10 | 124131161 |
11 | 64083640 |
12 | 356a31b5 |
13 | 1c9423bb |
14 | 126b3437 |
15 | ad6e90b |
hex | 7661759 |
124131161 has 96 divisors (see below), whose sum is σ = 189112320. Its totient is φ = 79833600.
The previous prime is 124131151. The next prime is 124131167. The reversal of 124131161 is 161131421.
It is a happy number.
It is not a de Polignac number, because 124131161 - 26 = 124131097 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124131167) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4004216 + ... + 4004246.
It is an arithmetic number, because the mean of its divisors is an integer number (1969920).
Almost surely, 2124131161 is an apocalyptic number.
124131161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
124131161 is a deficient number, since it is larger than the sum of its proper divisors (64981159).
124131161 is a wasteful number, since it uses less digits than its factorization.
124131161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115 (or 108 counting only the distinct ones).
The product of its digits is 144, while the sum is 20.
The square root of 124131161 is about 11141.4164718854. The cubic root of 124131161 is about 498.8388535653.
Adding to 124131161 its reverse (161131421), we get a palindrome (285262582).
The spelling of 124131161 in words is "one hundred twenty-four million, one hundred thirty-one thousand, one hundred sixty-one".
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