Base | Representation |
---|---|
bin | 100100111111011… |
… | …1000101110001111 |
3 | 10012111120121112100 |
4 | 1021332320232033 |
5 | 10020223101111 |
6 | 323055410143 |
7 | 42521133060 |
oct | 11176705617 |
9 | 3174517470 |
10 | 1241222031 |
11 | 587701535 |
12 | 2a7823953 |
13 | 16a1c830a |
14 | babc0567 |
15 | 73e7e756 |
hex | 49fb8b8f |
1241222031 has 12 divisors (see below), whose sum is σ = 2049001552. Its totient is φ = 709269696.
The previous prime is 1241222023. The next prime is 1241222033. The reversal of 1241222031 is 1302221421.
It is a happy number.
1241222031 is a `hidden beast` number, since 1 + 2 + 412 + 220 + 31 = 666.
It is not a de Polignac number, because 1241222031 - 23 = 1241222023 is a prime.
It is a super-2 number, since 2×12412220312 = 3081264260479529922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1241221995 and 1241222013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1241222033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9850906 + ... + 9851031.
Almost surely, 21241222031 is an apocalyptic number.
1241222031 is a deficient number, since it is larger than the sum of its proper divisors (807779521).
1241222031 is a wasteful number, since it uses less digits than its factorization.
1241222031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19701950 (or 19701947 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 1241222031 is about 35230.9811245727. The cubic root of 1241222031 is about 1074.6898780208.
Adding to 1241222031 its reverse (1302221421), we get a palindrome (2543443452).
It can be divided in two parts, 12412 and 22031, that added together give a palindrome (34443).
The spelling of 1241222031 in words is "one billion, two hundred forty-one million, two hundred twenty-two thousand, thirty-one".
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