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54899518897 = 193722110627
BaseRepresentation
bin110011001000010001…
…000010110110110001
312020201001010112000201
4303020101002312301
51344413234101042
641115343115201
73652314132256
oct631021026661
9166631115021
1054899518897
1121312390123
12a7818a2b01
13523bb49b32
14292b31742d
151664a9e1b7
hexcc8442db1

54899518897 has 12 divisors (see below), whose sum is σ = 59393071920. Its totient is φ = 50604368976.

The previous prime is 54899518889. The next prime is 54899518943. The reversal of 54899518897 is 79881599845.

It is not a de Polignac number, because 54899518897 - 23 = 54899518889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54899518867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1029303 + ... + 1081324.

It is an arithmetic number, because the mean of its divisors is an integer number (4949422660).

Almost surely, 254899518897 is an apocalyptic number.

It is an amenable number.

54899518897 is a deficient number, since it is larger than the sum of its proper divisors (4493553023).

54899518897 is a wasteful number, since it uses less digits than its factorization.

54899518897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110720 (or 2110683 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 73.

The spelling of 54899518897 in words is "fifty-four billion, eight hundred ninety-nine million, five hundred eighteen thousand, eight hundred ninety-seven".

Divisors: 1 19 37 703 1369 26011 2110627 40101913 78093199 1483770781 2889448363 54899518897