Base | Representation |
---|---|
bin | 100100111111011… |
… | …0110110010101001 |
3 | 10012111120012200101 |
4 | 1021332312302221 |
5 | 10020222322441 |
6 | 323055305401 |
7 | 42521101030 |
oct | 11176666251 |
9 | 3174505611 |
10 | 1241214121 |
11 | 5876a65a4 |
12 | 2a781b261 |
13 | 16a1c4834 |
14 | babbb717 |
15 | 73e7c231 |
hex | 49fb6ca9 |
1241214121 has 32 divisors (see below), whose sum is σ = 1520870400. Its totient is φ = 989392320.
The previous prime is 1241214101. The next prime is 1241214131. The reversal of 1241214121 is 1214121421.
It is a happy number.
It is not a de Polignac number, because 1241214121 - 25 = 1241214089 is a prime.
It is a super-2 number, since 2×12412141212 = 3081224988339605282, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is not an unprimeable number, because it can be changed into a prime (1241214101) 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, 2527686 + ... + 2528176.
It is an arithmetic number, because the mean of its divisors is an integer number (47527200).
Almost surely, 21241214121 is an apocalyptic number.
It is an amenable number.
1241214121 is a deficient number, since it is larger than the sum of its proper divisors (279656279).
1241214121 is a wasteful number, since it uses less digits than its factorization.
1241214121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 829.
The product of its digits is 128, while the sum is 19.
The square root of 1241214121 is about 35230.8688652437. The cubic root of 1241214121 is about 1074.6875951053.
Adding to 1241214121 its reverse (1214121421), we get a palindrome (2455335542).
The spelling of 1241214121 in words is "one billion, two hundred forty-one million, two hundred fourteen thousand, one hundred twenty-one".
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