Search a number
-
+
1443312130 = 251311102401
BaseRepresentation
bin101011000000111…
…0011001000000010
310201120211212000211
41112001303020002
510423441442010
6355115104334
750523644041
oct12601631002
93646755024
101443312130
11680791847
123434420aa
131a0034a60
14d9988558
1586a9d08a
hex56073202

1443312130 has 16 divisors (see below), whose sum is σ = 2797805304. Its totient is φ = 532915200.

The previous prime is 1443312113. The next prime is 1443312131. The reversal of 1443312130 is 312133441.

It can be written as a sum of positive squares in 4 ways, for example, as 606193641 + 837118489 = 24621^2 + 28933^2 .

It is not an unprimeable number, because it can be changed into a prime (1443312131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5551071 + ... + 5551330.

Almost surely, 21443312130 is an apocalyptic number.

1443312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1443312130 is a deficient number, since it is larger than the sum of its proper divisors (1354493174).

1443312130 is a wasteful number, since it uses less digits than its factorization.

1443312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11102421.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1443312130 is about 37990.9480008067. The cubic root of 1443312130 is about 1130.1083588364.

Adding to 1443312130 its reverse (312133441), we get a palindrome (1755445571).

Subtracting from 1443312130 its reverse (312133441), we obtain a square (1131178689 = 336332).

The spelling of 1443312130 in words is "one billion, four hundred forty-three million, three hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 11102401 22204802 55512005 111024010 144331213 288662426 721656065 1443312130