Base | Representation |
---|---|
bin | 111100011001011… |
… | …000101000010010 |
3 | 2121121200100001112 |
4 | 330121120220102 |
5 | 4033400144232 |
6 | 244314133322 |
7 | 34052541536 |
oct | 7431305022 |
9 | 2547610045 |
10 | 1013287442 |
11 | 47aa79942 |
12 | 243421242 |
13 | 131c1018b |
14 | 98809bc6 |
15 | 5de584b2 |
hex | 3c658a12 |
1013287442 has 16 divisors (see below), whose sum is σ = 1608228960. Its totient is φ = 477487872.
The previous prime is 1013287441. The next prime is 1013287453. The reversal of 1013287442 is 2447823101.
It is a super-2 number, since 2×10132874422 = 2053502880229806728, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1013287399 and 1013287408.
It is not an unprimeable number, because it can be changed into a prime (1013287441) 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, 61748 + ... + 76415.
It is an arithmetic number, because the mean of its divisors is an integer number (100514310).
Almost surely, 21013287442 is an apocalyptic number.
1013287442 is a deficient number, since it is larger than the sum of its proper divisors (594941518).
1013287442 is a wasteful number, since it uses less digits than its factorization.
1013287442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138377.
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 1013287442 is about 31832.1762058456. The cubic root of 1013287442 is about 1004.4096735303.
The spelling of 1013287442 in words is "one billion, thirteen million, two hundred eighty-seven thousand, four hundred forty-two".
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