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2140412311 = 11031940537
BaseRepresentation
bin111111110010100…
…0001100110010111
312112011120012201001
41333211001212113
513340421143221
6552220244131
7104020130062
oct17745014627
95464505631
102140412311
119a92304a4
124b89a0647
1328159a27b
141643a98d9
15c7d9b391
hex7f941997

2140412311 has 4 divisors (see below), whose sum is σ = 2142353952. Its totient is φ = 2138470672.

The previous prime is 2140412291. The next prime is 2140412381. The reversal of 2140412311 is 1132140412.

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 2140412311 - 29 = 2140411799 is a prime.

It is a super-2 number, since 2×21404123112 = 9162729722160721442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140412381) 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, 969166 + ... + 971371.

It is an arithmetic number, because the mean of its divisors is an integer number (535588488).

Almost surely, 22140412311 is an apocalyptic number.

2140412311 is a deficient number, since it is larger than the sum of its proper divisors (1941641).

2140412311 is a wasteful number, since it uses less digits than its factorization.

2140412311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941640.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2140412311 is about 46264.5902499957. The cubic root of 2140412311 is about 1288.7414986254.

Adding to 2140412311 its reverse (1132140412), we get a palindrome (3272552723).

The spelling of 2140412311 in words is "two billion, one hundred forty million, four hundred twelve thousand, three hundred eleven".

Divisors: 1 1103 1940537 2140412311