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2031253143 = 31753751481
BaseRepresentation
bin111100100010010…
…0111011010010111
312020120011100110220
41321010213122113
513130000100033
6533320445423
7101223236553
oct17104473227
95216140426
102031253143
11952653607
12488319873
13264a9a84a
14153ab2863
15bd4d7bb3
hex79127697

2031253143 has 16 divisors (see below), whose sum is σ = 2921762016. Its totient is φ = 1250462720.

The previous prime is 2031253127. The next prime is 2031253151. The reversal of 2031253143 is 3413521302.

It is a cyclic number.

It is not a de Polignac number, because 2031253143 - 24 = 2031253127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031253123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373038 + ... + 378443.

It is an arithmetic number, because the mean of its divisors is an integer number (182610126).

Almost surely, 22031253143 is an apocalyptic number.

2031253143 is a deficient number, since it is larger than the sum of its proper divisors (890508873).

2031253143 is a wasteful number, since it uses less digits than its factorization.

2031253143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751554.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2031253143 is about 45069.4258117407. The cubic root of 2031253143 is about 1266.4499079769.

Adding to 2031253143 its reverse (3413521302), we get a palindrome (5444774445).

The spelling of 2031253143 in words is "two billion, thirty-one million, two hundred fifty-three thousand, one hundred forty-three".

Divisors: 1 3 17 51 53 159 901 2703 751481 2254443 12775177 38325531 39828493 119485479 677084381 2031253143