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2054543143 = 17120855479
BaseRepresentation
bin111101001110101…
…1101011100100111
312022011222121100111
41322131131130213
513201430340033
6535511553451
7101625220462
oct17235353447
95264877314
102054543143
11964810744
1249408b887
13269863603
14156c162d9
15c05887cd
hex7a75d727

2054543143 has 4 divisors (see below), whose sum is σ = 2175398640. Its totient is φ = 1933687648.

The previous prime is 2054543137. The next prime is 2054543191. The reversal of 2054543143 is 3413454502.

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 2054543143 - 229 = 1517672231 is a prime.

It is a super-2 number, since 2×20545431432 = 8442295052896636898, 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 (2054543243) 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, 60427723 + ... + 60427756.

It is an arithmetic number, because the mean of its divisors is an integer number (543849660).

Almost surely, 22054543143 is an apocalyptic number.

2054543143 is a deficient number, since it is larger than the sum of its proper divisors (120855497).

2054543143 is a wasteful number, since it uses less digits than its factorization.

2054543143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120855496.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2054543143 is about 45327.0685462892. The cubic root of 2054543143 is about 1271.2718246890.

Adding to 2054543143 its reverse (3413454502), we get a palindrome (5467997645).

The spelling of 2054543143 in words is "two billion, fifty-four million, five hundred forty-three thousand, one hundred forty-three".

Divisors: 1 17 120855479 2054543143