Base | Representation |
---|---|
bin | 1000001111001100… |
… | …1011011000001010 |
3 | 12201002211012000102 |
4 | 2003303023120022 |
5 | 14012033344432 |
6 | 1003230205402 |
7 | 105540104213 |
oct | 20363133012 |
9 | 5632735012 |
10 | 2211231242 |
11 | a35200840 |
12 | 518653862 |
13 | 29316476c |
14 | 16d96240a |
15 | ce1d9962 |
hex | 83ccb60a |
2211231242 has 32 divisors (see below), whose sum is σ = 3885231744. Its totient is φ = 932646400.
The previous prime is 2211231241. The next prime is 2211231283. The reversal of 2211231242 is 2421321122.
It is not an unprimeable number, because it can be changed into a prime (2211231241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15083 + ... + 68190.
It is an arithmetic number, because the mean of its divisors is an integer number (121413492).
Almost surely, 22211231242 is an apocalyptic number.
2211231242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2211231242 is a deficient number, since it is larger than the sum of its proper divisors (1674000502).
2211231242 is a wasteful number, since it uses less digits than its factorization.
2211231242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83374.
The product of its digits is 384, while the sum is 20.
The square root of 2211231242 is about 47023.7306261424. The cubic root of 2211231242 is about 1302.8009120521.
Adding to 2211231242 its reverse (2421321122), we get a palindrome (4632552364).
It can be divided in two parts, 221123 and 1242, that multiplied together give a triangular number (274634766 = T23436).
The spelling of 2211231242 in words is "two billion, two hundred eleven million, two hundred thirty-one thousand, two hundred forty-two".
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