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2054312123 = 31137483709
BaseRepresentation
bin111101001110010…
…0101000010111011
312022011112212110012
41322130211002323
513201400441443
6535503012135
7101623236113
oct17234450273
95264485405
102054312123
11964673116
12493b9a04b
132697b2406
14156b96043
15c0540118
hex7a7250bb

2054312123 has 8 divisors (see below), whose sum is σ = 2136063360. Its totient is φ = 1973528640.

The previous prime is 2054312119. The next prime is 2054312149. The reversal of 2054312123 is 3212134502.

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

It is a cyclic number.

It is not a de Polignac number, because 2054312123 - 22 = 2054312119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2054312723) 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 7 ways as a sum of consecutive naturals, for example, 237608 + ... + 246101.

It is an arithmetic number, because the mean of its divisors is an integer number (267007920).

Almost surely, 22054312123 is an apocalyptic number.

2054312123 is a deficient number, since it is larger than the sum of its proper divisors (81751237).

2054312123 is a wasteful number, since it uses less digits than its factorization.

2054312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483877.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2054312123 is about 45324.5201077739. The cubic root of 2054312123 is about 1271.2241741564.

Adding to 2054312123 its reverse (3212134502), we get a palindrome (5266446625).

The spelling of 2054312123 in words is "two billion, fifty-four million, three hundred twelve thousand, one hundred twenty-three".

Divisors: 1 31 137 4247 483709 14994979 66268133 2054312123