Base | Representation |
---|---|
bin | 101010111110011… |
… | …0101111100101000 |
3 | 10201111101211220201 |
4 | 1111330311330220 |
5 | 10423123403333 |
6 | 355031201544 |
7 | 50506623304 |
oct | 12574657450 |
9 | 3644354821 |
10 | 1442012968 |
11 | 67aa84760 |
12 | 342b162b4 |
13 | 19c99b616 |
14 | d972ad04 |
15 | 868e317d |
hex | 55f35f28 |
1442012968 has 64 divisors (see below), whose sum is σ = 3153064320. Its totient is φ = 611635200.
The previous prime is 1442012963. The next prime is 1442012983. The reversal of 1442012968 is 8692102441.
It is not an unprimeable number, because it can be changed into a prime (1442012963) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74296 + ... + 91672.
It is an arithmetic number, because the mean of its divisors is an integer number (49266630).
Almost surely, 21442012968 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1442012968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576532160).
1442012968 is an abundant number, since it is smaller than the sum of its proper divisors (1711051352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442012968 is a wasteful number, since it uses less digits than its factorization.
1442012968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17458 (or 17454 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 1442012968 is about 37973.8458415789. The cubic root of 1442012968 is about 1129.7691772773.
The spelling of 1442012968 in words is "one billion, four hundred forty-two million, twelve thousand, nine hundred sixty-eight".
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