Base | Representation |
---|---|
bin | 100100001011111… |
… | …1001001010100011 |
3 | 10010121202220211122 |
4 | 1020113321022203 |
5 | 4441320114021 |
6 | 320253002455 |
7 | 42042503531 |
oct | 11027711243 |
9 | 3117686748 |
10 | 1214223011 |
11 | 5734407a1 |
12 | 29a78342b |
13 | 164734271 |
14 | b7393151 |
15 | 718e9bab |
hex | 485f92a3 |
1214223011 has 16 divisors (see below), whose sum is σ = 1343744640. Its totient is φ = 1091973120.
The previous prime is 1214222993. The next prime is 1214223037. The reversal of 1214223011 is 1103224121.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1214223011 is a prime.
It is a super-2 number, since 2×12142230112 = 2948675040883812242, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1214223071) 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, 35126 + ... + 60516.
It is an arithmetic number, because the mean of its divisors is an integer number (83984040).
Almost surely, 21214223011 is an apocalyptic number.
1214223011 is a deficient number, since it is larger than the sum of its proper divisors (129521629).
1214223011 is a wasteful number, since it uses less digits than its factorization.
1214223011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25534.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 1214223011 is about 34845.7029058104. The cubic root of 1214223011 is about 1066.8404805404.
Adding to 1214223011 its reverse (1103224121), we get a palindrome (2317447132).
It can be divided in two parts, 12142 and 23011, that added together give a palindrome (35153).
The spelling of 1214223011 in words is "one billion, two hundred fourteen million, two hundred twenty-three thousand, eleven".
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