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2141202431 = 10919644059
BaseRepresentation
bin111111110100000…
…0010011111111111
312112020001100112202
41333220002133333
513341121434211
6552245222115
7104026630454
oct17750023777
95466040482
102141202431
119a9720095
124b910193b
132817b5ab4
1416453382b
15c7ea553b
hex7fa027ff

2141202431 has 4 divisors (see below), whose sum is σ = 2160846600. Its totient is φ = 2121558264.

The previous prime is 2141202421. The next prime is 2141202433. The reversal of 2141202431 is 1342021412.

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 2141202431 - 26 = 2141202367 is a prime.

It is a super-2 number, since 2×21412024312 = 9169495701040619522, 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 (2141202433) 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, 9821921 + ... + 9822138.

It is an arithmetic number, because the mean of its divisors is an integer number (540211650).

Almost surely, 22141202431 is an apocalyptic number.

2141202431 is a deficient number, since it is larger than the sum of its proper divisors (19644169).

2141202431 is a wasteful number, since it uses less digits than its factorization.

2141202431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19644168.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2141202431 is about 46273.1286061360. The cubic root of 2141202431 is about 1288.9000561081.

Adding to 2141202431 its reverse (1342021412), we get a palindrome (3483223843).

The spelling of 2141202431 in words is "two billion, one hundred forty-one million, two hundred two thousand, four hundred thirty-one".

Divisors: 1 109 19644059 2141202431