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2142441311 = 191577091013
BaseRepresentation
bin111111110110011…
…0000111101011111
312112022101021222012
41333230300331133
513341431110221
6552331541435
7104043310403
oct17754607537
95468337865
102142441311
119aa39695a
124b95ba87b
13281b2a96a
14164777103
15c814c65b
hex7fb30f5f

2142441311 has 16 divisors (see below), whose sum is σ = 2275010400. Its totient is φ = 2011920768.

The previous prime is 2142441299. The next prime is 2142441317. The reversal of 2142441311 is 1131442412.

It is a cyclic number.

It is not a de Polignac number, because 2142441311 - 26 = 2142441247 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 (2142441317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114441 + ... + 2115453.

It is an arithmetic number, because the mean of its divisors is an integer number (142188150).

Almost surely, 22142441311 is an apocalyptic number.

2142441311 is a deficient number, since it is larger than the sum of its proper divisors (132569089).

2142441311 is a wasteful number, since it uses less digits than its factorization.

2142441311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898.

The product of its digits is 768, while the sum is 23.

The square root of 2142441311 is about 46286.5132733067. The cubic root of 2142441311 is about 1289.1485900805.

Adding to 2142441311 its reverse (1131442412), we get a palindrome (3273883723).

The spelling of 2142441311 in words is "two billion, one hundred forty-two million, four hundred forty-one thousand, three hundred eleven".

Divisors: 1 19 157 709 1013 2983 13471 19247 111313 159041 718217 2114947 3021779 13646123 112760069 2142441311