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54742171895 = 543254614753
BaseRepresentation
bin110010111110111000…
…110100000011110111
312020022002001110111222
4302332320310003313
51344102444000040
641052002420555
73645363532535
oct627670640367
9166262043458
1054742171895
112124158aa84
12a73906175b
135215377ab8
142914479155
151655d6cbb5
hexcbee340f7

54742171895 has 8 divisors (see below), whose sum is σ = 67218295056. Its totient is φ = 42775278336.

The previous prime is 54742171877. The next prime is 54742171901. The reversal of 54742171895 is 59817124745.

It is a happy number.

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 54742171895 - 224 = 54725394679 is a prime.

It is a Duffinian number.

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, 127307162 + ... + 127307591.

It is an arithmetic number, because the mean of its divisors is an integer number (8402286882).

Almost surely, 254742171895 is an apocalyptic number.

54742171895 is a deficient number, since it is larger than the sum of its proper divisors (12476123161).

54742171895 is a wasteful number, since it uses less digits than its factorization.

54742171895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254614801.

The product of its digits is 2822400, while the sum is 53.

The spelling of 54742171895 in words is "fifty-four billion, seven hundred forty-two million, one hundred seventy-one thousand, eight hundred ninety-five".

Divisors: 1 5 43 215 254614753 1273073765 10948434379 54742171895