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54134212351 = 131447411833
BaseRepresentation
bin110010011010101001…
…101000011011111111
312011201201001220210211
4302122221220123333
51341331324243401
640511404013251
73624332132662
oct623251503377
9164651056724
1054134212351
1120a5a395a7a
12a5a9531227
13514942331b
14289781d6d9
15161c7cb951
hexc9aa686ff

54134212351 has 4 divisors (see below), whose sum is σ = 54134755632. Its totient is φ = 54133669072.

The previous prime is 54134212343. The next prime is 54134212367. The reversal of 54134212351 is 15321243145.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 54134212351 - 23 = 54134212343 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 (54134212151) 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, 74470 + ... + 337363.

It is an arithmetic number, because the mean of its divisors is an integer number (13533688908).

Almost surely, 254134212351 is an apocalyptic number.

54134212351 is a deficient number, since it is larger than the sum of its proper divisors (543281).

54134212351 is a wasteful number, since it uses less digits than its factorization.

54134212351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543280.

The product of its digits is 14400, while the sum is 31.

Adding to 54134212351 its reverse (15321243145), we get a palindrome (69455455496).

The spelling of 54134212351 in words is "fifty-four billion, one hundred thirty-four million, two hundred twelve thousand, three hundred fifty-one".

Divisors: 1 131447 411833 54134212351