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2111349539 = 131459111317
BaseRepresentation
bin111110111011000…
…1010001100100011
312110010212200002002
41331312022030203
513311001141124
6545301314215
7103215114005
oct17566121443
95403780062
102111349539
11993890182
124ab10596b
13278562a70
141605a2375
15c555a0ae
hex7dd8a323

2111349539 has 8 divisors (see below), whose sum is σ = 2275339920. Its totient is φ = 1947584736.

The previous prime is 2111349533. The next prime is 2111349547. The reversal of 2111349539 is 9359431112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2111349539 - 24 = 2111349523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111349533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36692 + ... + 74625.

It is an arithmetic number, because the mean of its divisors is an integer number (284417490).

Almost surely, 22111349539 is an apocalyptic number.

2111349539 is a deficient number, since it is larger than the sum of its proper divisors (163990381).

2111349539 is a wasteful number, since it uses less digits than its factorization.

2111349539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112789.

The product of its digits is 29160, while the sum is 38.

The square root of 2111349539 is about 45949.4237069411. The cubic root of 2111349539 is about 1282.8820028181.

The spelling of 2111349539 in words is "two billion, one hundred eleven million, three hundred forty-nine thousand, five hundred thirty-nine".

Divisors: 1 13 1459 18967 111317 1447121 162411503 2111349539