Base | Representation |
---|---|
bin | 10001101011000111010… |
… | …001011011101111100100 |
3 | 11022002220021012102222212 |
4 | 101223013101123233210 |
5 | 124344321121413130 |
6 | 2325540012342552 |
7 | 153514015531565 |
oct | 21530721335744 |
9 | 4262807172885 |
10 | 1214524013540 |
11 | 429093163472 |
12 | 177471774a58 |
13 | 8a6b5638b66 |
14 | 42ad744816c |
15 | 218d4d2be95 |
hex | 11ac745bbe4 |
1214524013540 has 12 divisors (see below), whose sum is σ = 2550500428476. Its totient is φ = 485809605408.
The previous prime is 1214524013503. The next prime is 1214524013567. The reversal of 1214524013540 is 453104254121.
It can be written as a sum of positive squares in 2 ways, for example, as 148884852736 + 1065639160804 = 385856^2 + 1032298^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1214524013497 and 1214524013506.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30363100319 + ... + 30363100358.
It is an arithmetic number, because the mean of its divisors is an integer number (212541702373).
Almost surely, 21214524013540 is an apocalyptic number.
1214524013540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1214524013540 is an abundant number, since it is smaller than the sum of its proper divisors (1335976414936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214524013540 is a wasteful number, since it uses less digits than its factorization.
1214524013540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60726200686 (or 60726200684 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 32.
Adding to 1214524013540 its reverse (453104254121), we get a palindrome (1667628267661).
The spelling of 1214524013540 in words is "one trillion, two hundred fourteen billion, five hundred twenty-four million, thirteen thousand, five hundred forty".
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