Base | Representation |
---|---|
bin | 100100001011110… |
… | …0000111001110000 |
3 | 10010121120212111221 |
4 | 1020113200321300 |
5 | 4441303424012 |
6 | 320250514424 |
7 | 42041611021 |
oct | 11027407160 |
9 | 3117525457 |
10 | 1214123632 |
11 | 573383067 |
12 | 29a735a14 |
13 | 1646cac67 |
14 | b7368c48 |
15 | 718ca507 |
hex | 485e0e70 |
1214123632 has 40 divisors (see below), whose sum is σ = 2458128384. Its totient is φ = 579843264.
The previous prime is 1214123627. The next prime is 1214123639. The reversal of 1214123632 is 2363214121.
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 1214123597 and 1214123606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1214123639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315673 + ... + 319495.
Almost surely, 21214123632 is an apocalyptic number.
It is an amenable number.
1214123632 is an abundant number, since it is smaller than the sum of its proper divisors (1244004752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214123632 is a wasteful number, since it uses less digits than its factorization.
1214123632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4717 (or 4711 counting only the distinct ones).
The product of its digits is 1728, while the sum is 25.
The square root of 1214123632 is about 34844.2768901867. The cubic root of 1214123632 is about 1066.8113742912.
Adding to 1214123632 its reverse (2363214121), we get a palindrome (3577337753).
The spelling of 1214123632 in words is "one billion, two hundred fourteen million, one hundred twenty-three thousand, six hundred thirty-two".
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