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1082143039 = 8391289801
BaseRepresentation
bin100000010000000…
…0011000100111111
32210102020120011211
41000200003010333
54204012034124
6255214025251
735550030655
oct10040030477
92712216154
101082143039
1150592909a
122624a8227
1314326ab33
14a3a10dd5
1565009e94
hex4080313f

1082143039 has 4 divisors (see below), whose sum is σ = 1083433680. Its totient is φ = 1080852400.

The previous prime is 1082143037. The next prime is 1082143061. The reversal of 1082143039 is 9303412801.

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 1082143039 - 21 = 1082143037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1082143039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082143037) 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 3 ways as a sum of consecutive naturals, for example, 644062 + ... + 645739.

It is an arithmetic number, because the mean of its divisors is an integer number (270858420).

Almost surely, 21082143039 is an apocalyptic number.

1082143039 is a deficient number, since it is larger than the sum of its proper divisors (1290641).

1082143039 is an equidigital number, since it uses as much as digits as its factorization.

1082143039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290640.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1082143039 is about 32895.9425917544. The cubic root of 1082143039 is about 1026.6637391106.

The spelling of 1082143039 in words is "one billion, eighty-two million, one hundred forty-three thousand, thirty-nine".

Divisors: 1 839 1289801 1082143039