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54113561361605 = 561177421512661
BaseRepresentation
bin11000100110111010010111…
…00110100011110011000101
321002121012120010120212010202
430103131023212203303011
524043044033202032410
6311031232113300245
714253401332162154
oct1423351346436305
9232535503525122
1054113561361605
1116273483718519
12609b6a2264685
132426b6b7ba865
14d51178add59b
1563c9406e0ca5
hex31374b9a3cc5

54113561361605 has 8 divisors (see below), whose sum is σ = 66000802710264. Its totient is φ = 42581163038400.

The previous prime is 54113561361589. The next prime is 54113561361647. The reversal of 54113561361605 is 50616316531145.

It can be written as a sum of positive squares in 4 ways, for example, as 6996072610081 + 47117488751524 = 2645009^2 + 6864218^2 .

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

It is not a de Polignac number, because 54113561361605 - 24 = 54113561361589 is a prime.

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 54113561361605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88710756026 + ... + 88710756635.

It is an arithmetic number, because the mean of its divisors is an integer number (8250100338783).

Almost surely, 254113561361605 is an apocalyptic number.

It is an amenable number.

54113561361605 is a deficient number, since it is larger than the sum of its proper divisors (11887241348659).

54113561361605 is a wasteful number, since it uses less digits than its factorization.

54113561361605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177421512727.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 54113561361605 in words is "fifty-four trillion, one hundred thirteen billion, five hundred sixty-one million, three hundred sixty-one thousand, six hundred five".