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2143240116 = 2231710506079
BaseRepresentation
bin111111110111111…
…0011111110110100
312112100212212201120
41333233303332310
513342132140431
6552401023540
7104053145313
oct17757637664
95470785646
102143240116
119aa892026
124b9924bb0
1328204a424
1416490427a
15c8259196
hex7fbf3fb4

2143240116 has 24 divisors (see below), whose sum is σ = 5295064320. Its totient is φ = 672388992.

The previous prime is 2143240111. The next prime is 2143240117. The reversal of 2143240116 is 6110423412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143240111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5252836 + ... + 5253243.

It is an arithmetic number, because the mean of its divisors is an integer number (220627680).

Almost surely, 22143240116 is an apocalyptic number.

It is an amenable number.

2143240116 is an abundant number, since it is smaller than the sum of its proper divisors (3151824204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143240116 is a wasteful number, since it uses less digits than its factorization.

2143240116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10506103 (or 10506101 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2143240116 is about 46295.1413865429. The cubic root of 2143240116 is about 1289.3087890051.

Adding to 2143240116 its reverse (6110423412), we get a palindrome (8253663528).

The spelling of 2143240116 in words is "two billion, one hundred forty-three million, two hundred forty thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 10506079 21012158 31518237 42024316 63036474 126072948 178603343 357206686 535810029 714413372 1071620058 2143240116