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2054512045 = 5894616881
BaseRepresentation
bin111101001110101…
…0101110110101101
312022011221000200201
41322131111312231
513201423341140
6535511153501
7101625031015
oct17235256655
95264830621
102054512045
1196479a343
12494075891
13269852401
14156c08c45
15c057e49a
hex7a755dad

2054512045 has 8 divisors (see below), whose sum is σ = 2493116280. Its totient is φ = 1625141760.

The previous prime is 2054512037. The next prime is 2054512049. The reversal of 2054512045 is 5402154502.

2054512045 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 4 ways, for example, as 48636676 + 2005875369 = 6974^2 + 44787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2054512045 - 23 = 2054512037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054512049) 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, 2307996 + ... + 2308885.

It is an arithmetic number, because the mean of its divisors is an integer number (311639535).

Almost surely, 22054512045 is an apocalyptic number.

It is an amenable number.

2054512045 is a deficient number, since it is larger than the sum of its proper divisors (438604235).

2054512045 is an equidigital number, since it uses as much as digits as its factorization.

2054512045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616975.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2054512045 is about 45326.7255049380. The cubic root of 2054512045 is about 1271.2654105768.

Adding to 2054512045 its reverse (5402154502), we get a palindrome (7456666547).

The spelling of 2054512045 in words is "two billion, fifty-four million, five hundred twelve thousand, forty-five".

Divisors: 1 5 89 445 4616881 23084405 410902409 2054512045