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2143343241 = 331319557577
BaseRepresentation
bin111111111000000…
…1101001010001001
312112101002010012000
41333300031022021
513342143440431
6552403141213
7104054055054
oct17760151211
95471063160
102143343241
119aa952556
124b9974809
13282085350
1416492da9b
15c82799e6
hex7fc0d289

2143343241 has 64 divisors (see below), whose sum is σ = 3612268800. Its totient is φ = 1245155328.

The previous prime is 2143343239. The next prime is 2143343263. The reversal of 2143343241 is 1423433412.

2143343241 is a `hidden beast` number, since 2 + 1 + 4 + 334 + 324 + 1 = 666.

It is not a de Polignac number, because 2143343241 - 21 = 2143343239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2143343341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3714345 + ... + 3714921.

It is an arithmetic number, because the mean of its divisors is an integer number (56441700).

Almost surely, 22143343241 is an apocalyptic number.

It is an amenable number.

2143343241 is a deficient number, since it is larger than the sum of its proper divisors (1468925559).

2143343241 is a wasteful number, since it uses less digits than its factorization.

2143343241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1169 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2143343241 is about 46296.2551509299. The cubic root of 2143343241 is about 1289.3294676395.

Adding to 2143343241 its reverse (1423433412), we get a palindrome (3566776653).

The spelling of 2143343241 in words is "two billion, one hundred forty-three million, three hundred forty-three thousand, two hundred forty-one".

Divisors: 1 3 9 13 19 27 39 57 117 171 247 351 513 557 577 741 1671 1731 2223 5013 5193 6669 7241 7501 10583 10963 15039 15579 21723 22503 31749 32889 65169 67509 95247 98667 137579 142519 195507 202527 285741 296001 321389 412737 427557 964167 1238211 1282671 2892501 3714633 3848013 4178057 6106391 8677503 12534171 18319173 37602513 54957519 79383083 112807539 164872557 238149249 714447747 2143343241