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2054228369181 = 317239168531329
BaseRepresentation
bin11101111001001001100…
…011010101111100011101
321021101022201002102122220
4131321021203111330131
5232124024430303211
64211411031055553
7301261460015532
oct35711143257435
97241281072586
102054228369181
117222143a721a
12292158b115b9
1311b9363336a1
14715d49bcd89
153867dba7806
hex1de498d5f1d

2054228369181 has 16 divisors (see below), whose sum is σ = 2912221382400. Its totient is φ = 1283534594048.

The previous prime is 2054228369173. The next prime is 2054228369197. The reversal of 2054228369181 is 1819638224502.

It is not a de Polignac number, because 2054228369181 - 23 = 2054228369173 is a prime.

It is a super-2 number, since 2×20542283691812 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054228369581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84253476 + ... + 84277853.

It is an arithmetic number, because the mean of its divisors is an integer number (182013836400).

Almost surely, 22054228369181 is an apocalyptic number.

It is an amenable number.

2054228369181 is a deficient number, since it is larger than the sum of its proper divisors (857993013219).

2054228369181 is a wasteful number, since it uses less digits than its factorization.

2054228369181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168531588.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 2054228369181 in words is "two trillion, fifty-four billion, two hundred twenty-eight million, three hundred sixty-nine thousand, one hundred eighty-one".

Divisors: 1 3 17 51 239 717 4063 12189 168531329 505593987 2865032593 8595097779 40278987631 120836962893 684742789727 2054228369181