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2054554142331 = 3684851380777
BaseRepresentation
bin11101111001011100111…
…110000100011001111011
321021102011102002102102010
4131321130332010121323
5232130211330023311
64211503225341003
7301302524030505
oct35713476043173
97242142072363
102054554142331
11722371284429
1229222a037763
1311b988986572
1471625d80d75
153869c5a7da6
hex1de5cf8467b

2054554142331 has 4 divisors (see below), whose sum is σ = 2739405523112. Its totient is φ = 1369702761552.

The previous prime is 2054554142309. The next prime is 2054554142339. The reversal of 2054554142331 is 1332414554502.

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

It is not a de Polignac number, because 2054554142331 - 214 = 2054554125947 is a prime.

It is a super-2 number, since 2×20545541423312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2054554142331.

It is not an unprimeable number, because it can be changed into a prime (2054554142339) 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, 342425690386 + ... + 342425690391.

It is an arithmetic number, because the mean of its divisors is an integer number (684851380778).

Almost surely, 22054554142331 is an apocalyptic number.

2054554142331 is a deficient number, since it is larger than the sum of its proper divisors (684851380781).

2054554142331 is an equidigital number, since it uses as much as digits as its factorization.

2054554142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684851380780.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 2054554142331 its reverse (1332414554502), we get a palindrome (3386968696833).

The spelling of 2054554142331 in words is "two trillion, fifty-four billion, five hundred fifty-four million, one hundred forty-two thousand, three hundred thirty-one".

Divisors: 1 3 684851380777 2054554142331