Search a number
-
+
54135042105 = 3527740132491
BaseRepresentation
bin110010011010101100…
…110011000000111001
312011201202122002000110
4302122230303000321
51341332032321410
640511433454533
73624342160044
oct623254630071
9164652562013
1054135042105
1120a5a902421
12a5a9871449
135149653bc1
142897997c5b
15161c8e2720
hexc9ab33039

54135042105 has 32 divisors (see below), whose sum is σ = 87148222848. Its totient is φ = 28695168000.

The previous prime is 54135042089. The next prime is 54135042107. The reversal of 54135042105 is 50124053145.

It is not a de Polignac number, because 54135042105 - 24 = 54135042089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54135042107) 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 31 ways as a sum of consecutive naturals, for example, 1649910 + ... + 1682400.

It is an arithmetic number, because the mean of its divisors is an integer number (2723381964).

Almost surely, 254135042105 is an apocalyptic number.

It is an amenable number.

54135042105 is a deficient number, since it is larger than the sum of its proper divisors (33013180743).

54135042105 is a wasteful number, since it uses less digits than its factorization.

54135042105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33177.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 54135042105 in words is "fifty-four billion, one hundred thirty-five million, forty-two thousand, one hundred five".

Divisors: 1 3 5 15 277 401 831 1203 1385 2005 4155 6015 32491 97473 111077 162455 333231 487365 555385 1666155 9000007 13028891 27000021 39086673 45000035 65144455 135000105 195433365 3609002807 10827008421 18045014035 54135042105