Base | Representation |
---|---|
bin | 101010111110100… |
… | …1101111010011010 |
3 | 10201111120211120100 |
4 | 1111331031322122 |
5 | 10423140024010 |
6 | 355033240230 |
7 | 50510512425 |
oct | 12575157232 |
9 | 3644524510 |
10 | 1442111130 |
11 | 680041489 |
12 | 342b63076 |
13 | 19ca041c5 |
14 | d97549bc |
15 | 869122c0 |
hex | 55f4de9a |
1442111130 has 96 divisors (see below), whose sum is σ = 3889276560. Its totient is φ = 370298880.
The previous prime is 1442111129. The next prime is 1442111161. The reversal of 1442111130 is 311112441.
It can be written as a sum of positive squares in 8 ways, for example, as 356869881 + 1085241249 = 18891^2 + 32943^2 .
It is a super-2 number, since 2×14421111302 = 4159369022539753800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1756120 + ... + 1756940.
Almost surely, 21442111130 is an apocalyptic number.
1442111130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1442111130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944638280).
1442111130 is an abundant number, since it is smaller than the sum of its proper divisors (2447165430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442111130 is a wasteful number, since it uses less digits than its factorization.
1442111130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1536 (or 1533 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 1442111130 is about 37975.1383144288. The cubic root of 1442111130 is about 1129.7948122491.
Adding to 1442111130 its reverse (311112441), we get a palindrome (1753223571).
The spelling of 1442111130 in words is "one billion, four hundred forty-two million, one hundred eleven thousand, one hundred thirty".
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