Base | Representation |
---|---|
bin | 100010010110101… |
… | …0111100011001111 |
3 | 2222100002102222120 |
4 | 1010231113203033 |
5 | 4330100244011 |
6 | 310215144023 |
7 | 40365105414 |
oct | 10455274317 |
9 | 2870072876 |
10 | 1152743631 |
11 | 54176a396 |
12 | 282075013 |
13 | 154a89b30 |
14 | ad14c10b |
15 | 6b303a06 |
hex | 44b578cf |
1152743631 has 16 divisors (see below), whose sum is σ = 1660527456. Its totient is φ = 707106816.
The previous prime is 1152743629. The next prime is 1152743639. The reversal of 1152743631 is 1363472511.
It is not a de Polignac number, because 1152743631 - 21 = 1152743629 is a prime.
It is a super-2 number, since 2×11527436312 = 2657635757622128322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1152743592 and 1152743601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1152743639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35010 + ... + 59423.
It is an arithmetic number, because the mean of its divisors is an integer number (103782966).
Almost surely, 21152743631 is an apocalyptic number.
1152743631 is a deficient number, since it is larger than the sum of its proper divisors (507783825).
1152743631 is a wasteful number, since it uses less digits than its factorization.
1152743631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94762.
The product of its digits is 15120, while the sum is 33.
The square root of 1152743631 is about 33952.0784488962. The cubic root of 1152743631 is about 1048.5220721922.
The spelling of 1152743631 in words is "one billion, one hundred fifty-two million, seven hundred forty-three thousand, six hundred thirty-one".
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