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2142341311 = 11194758301
BaseRepresentation
bin111111110110001…
…1000100010111111
312112022012012210111
41333230120202333
513341414410221
6552325450451
7104042413015
oct17754304277
95468165714
102142341311
119aa328810
124b9570a27
13281ac42a6
1416474c8b5
15c812cbe1
hex7fb188bf

2142341311 has 4 divisors (see below), whose sum is σ = 2337099624. Its totient is φ = 1947583000.

The previous prime is 2142341261. The next prime is 2142341317. The reversal of 2142341311 is 1131432412.

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

It is not a de Polignac number, because 2142341311 - 211 = 2142339263 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 (2142341317) 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, 97379140 + ... + 97379161.

It is an arithmetic number, because the mean of its divisors is an integer number (584274906).

Almost surely, 22142341311 is an apocalyptic number.

2142341311 is a deficient number, since it is larger than the sum of its proper divisors (194758313).

2142341311 is a wasteful number, since it uses less digits than its factorization.

2142341311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194758312.

The product of its digits is 576, while the sum is 22.

The square root of 2142341311 is about 46285.4330324347. The cubic root of 2142341311 is about 1289.1285324536.

Adding to 2142341311 its reverse (1131432412), we get a palindrome (3273773723).

The spelling of 2142341311 in words is "two billion, one hundred forty-two million, three hundred forty-one thousand, three hundred eleven".

Divisors: 1 11 194758301 2142341311