Base | Representation |
---|---|
bin | 10001101011001111111… |
… | …110001101100010100000 |
3 | 11022010021102211210000200 |
4 | 101223033332031202200 |
5 | 124400121003011233 |
6 | 2330002304545200 |
7 | 153520440246426 |
oct | 21531776154240 |
9 | 4263242753020 |
10 | 1214669969568 |
11 | 429158593390 |
12 | 1774b2622200 |
13 | 8a709950183 |
14 | 42b0c99d116 |
15 | 218e2a5d313 |
hex | 11acff8d8a0 |
1214669969568 has 72 divisors (see below), whose sum is σ = 3768237529056. Its totient is φ = 368081808000.
The previous prime is 1214669969567. The next prime is 1214669969599. The reversal of 1214669969568 is 8659699664121.
1214669969568 is a `hidden beast` number, since 1 + 21 + 466 + 9 + 96 + 9 + 56 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a super-2 number, since 2×12146699695682 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a junction number, because it is equal to n+sod(n) for n = 1214669969496 and 1214669969505.
It is not an unprimeable number, because it can be changed into a prime (1214669969567) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191706108 + ... + 191712443.
It is an arithmetic number, because the mean of its divisors is an integer number (52336632348).
Almost surely, 21214669969568 is an apocalyptic number.
1214669969568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1214669969568 is an abundant number, since it is smaller than the sum of its proper divisors (2553567559488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214669969568 is a wasteful number, since it uses less digits than its factorization.
1214669969568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 383418578 (or 383418567 counting only the distinct ones).
The product of its digits is 302330880, while the sum is 72.
The spelling of 1214669969568 in words is "one trillion, two hundred fourteen billion, six hundred sixty-nine million, nine hundred sixty-nine thousand, five hundred sixty-eight".
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