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1937343013 = 16211195153
BaseRepresentation
bin111001101111001…
…1000001000100101
312000000110012222221
41303132120020211
512431424434023
6520123552341
766003100234
oct16336301045
95000405887
101937343013
11904641531
1246098b6b1
1324b4a9c18
14145428b1b
15b513785d
hex73798225

1937343013 has 4 divisors (see below), whose sum is σ = 1938539788. Its totient is φ = 1936146240.

The previous prime is 1937343007. The next prime is 1937343019. The reversal of 1937343013 is 3103437391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3103437391 = 19819156589.

It is an interprime number because it is at equal distance from previous prime (1937343007) and next prime (1937343019).

It can be written as a sum of positive squares in 2 ways, for example, as 645515649 + 1291827364 = 25407^2 + 35942^2 .

It is a cyclic number.

It is not a de Polignac number, because 1937343013 - 221 = 1935245861 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 1937343013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1937343019) 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, 595956 + ... + 599197.

It is an arithmetic number, because the mean of its divisors is an integer number (484634947).

Almost surely, 21937343013 is an apocalyptic number.

It is an amenable number.

1937343013 is a deficient number, since it is larger than the sum of its proper divisors (1196775).

1937343013 is a wasteful number, since it uses less digits than its factorization.

1937343013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196774.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 1937343013 is about 44015.2588655343. The cubic root of 1937343013 is about 1246.6240667746.

The spelling of 1937343013 in words is "one billion, nine hundred thirty-seven million, three hundred forty-three thousand, thirteen".

Divisors: 1 1621 1195153 1937343013