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54134405620 = 2252706720281
BaseRepresentation
bin110010011010101010…
…010111100111110100
312011201201102201220221
4302122222113213310
51341331401434440
640511412104124
73624333566311
oct623252274764
9164651381827
1054134405620
1120a5a5081a9
12a5a9605044
135149490299
14289786dd08
15161c818d4a
hexc9aa979f4

54134405620 has 12 divisors (see below), whose sum is σ = 113682251844. Its totient is φ = 21653762240.

The previous prime is 54134405599. The next prime is 54134405623. The reversal of 54134405620 is 2650443145.

It can be written as a sum of positive squares in 2 ways, for example, as 19469179024 + 34665226596 = 139532^2 + 186186^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54134405623) 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, 1353360121 + ... + 1353360160.

It is an arithmetic number, because the mean of its divisors is an integer number (9473520987).

Almost surely, 254134405620 is an apocalyptic number.

It is an amenable number.

54134405620 is an abundant number, since it is smaller than the sum of its proper divisors (59547846224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54134405620 is a wasteful number, since it uses less digits than its factorization.

54134405620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706720290 (or 2706720288 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 54134405620 its reverse (2650443145), we get a palindrome (56784848765).

The spelling of 54134405620 in words is "fifty-four billion, one hundred thirty-four million, four hundred five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 2706720281 5413440562 10826881124 13533601405 27067202810 54134405620