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1443113207 = 5323271109
BaseRepresentation
bin101011000000100…
…0010100011110111
310201120110202011022
41112001002203313
510423414110312
6355110531355
750522155064
oct12601024367
93646422138
101443113207
11680666348
12343366b5b
1319cc95353
14d9935c6b
1586a5e172
hex560428f7

1443113207 has 4 divisors (see below), whose sum is σ = 1443389640. Its totient is φ = 1442836776.

The previous prime is 1443113197. The next prime is 1443113249. The reversal of 1443113207 is 7023113441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1443113207 - 210 = 1443112183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443113407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130232 + ... + 140877.

It is an arithmetic number, because the mean of its divisors is an integer number (360847410).

Almost surely, 21443113207 is an apocalyptic number.

1443113207 is a deficient number, since it is larger than the sum of its proper divisors (276433).

1443113207 is an equidigital number, since it uses as much as digits as its factorization.

1443113207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276432.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1443113207 is about 37988.3298790563. The cubic root of 1443113207 is about 1130.0564377795.

Adding to 1443113207 its reverse (7023113441), we get a palindrome (8466226648).

The spelling of 1443113207 in words is "one billion, four hundred forty-three million, one hundred thirteen thousand, two hundred seven".

Divisors: 1 5323 271109 1443113207