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1992337013 = 11317631301
BaseRepresentation
bin111011011000000…
…1010011001110101
312010211221012120202
41312300022121311
513040014241023
6525410410245
7100241404502
oct16660123165
95124835522
101992337013
11932693317
12477290985
132599c3454
1414c8624a9
15b9d9c128
hex76c0a675

1992337013 has 4 divisors (see below), whose sum is σ = 2009968428. Its totient is φ = 1974705600.

The previous prime is 1992337007. The next prime is 1992337019. The reversal of 1992337013 is 3107332991.

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

It is an interprime number because it is at equal distance from previous prime (1992337007) and next prime (1992337019).

It can be written as a sum of positive squares in 2 ways, for example, as 29669809 + 1962667204 = 5447^2 + 44302^2 .

It is a cyclic number.

It is not a de Polignac number, because 1992337013 - 224 = 1975559797 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 (1992337019) 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, 8815538 + ... + 8815763.

It is an arithmetic number, because the mean of its divisors is an integer number (502492107).

Almost surely, 21992337013 is an apocalyptic number.

It is an amenable number.

1992337013 is a deficient number, since it is larger than the sum of its proper divisors (17631415).

1992337013 is a wasteful number, since it uses less digits than its factorization.

1992337013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17631414.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 1992337013 is about 44635.6025275788. The cubic root of 1992337013 is about 1258.3098639522.

The spelling of 1992337013 in words is "one billion, nine hundred ninety-two million, three hundred thirty-seven thousand, thirteen".

Divisors: 1 113 17631301 1992337013