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2053311143 = 13157947011
BaseRepresentation
bin111101001100011…
…0000101010100111
312022002200000100212
41322120300222213
513201121424033
6535425330035
7101611566602
oct17230605247
95262600325
102053311143
1196404a064
1249379691b
13269521910
141569b5339
15c03e3748
hex7a630aa7

2053311143 has 4 divisors (see below), whose sum is σ = 2211258168. Its totient is φ = 1895364120.

The previous prime is 2053311121. The next prime is 2053311149. The reversal of 2053311143 is 3411133502.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2053311143 - 214 = 2053294759 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 (2053311149) 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, 78973493 + ... + 78973518.

It is an arithmetic number, because the mean of its divisors is an integer number (552814542).

Almost surely, 22053311143 is an apocalyptic number.

2053311143 is a deficient number, since it is larger than the sum of its proper divisors (157947025).

2053311143 is a wasteful number, since it uses less digits than its factorization.

2053311143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157947024.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2053311143 is about 45313.4763949975. The cubic root of 2053311143 is about 1271.0176692329.

Adding to 2053311143 its reverse (3411133502), we get a palindrome (5464444645).

The spelling of 2053311143 in words is "two billion, fifty-three million, three hundred eleven thousand, one hundred forty-three".

Divisors: 1 13 157947011 2053311143