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28063197742005 = 32517112163327059
BaseRepresentation
bin1100110000101111110001…
…11011101100001110110101
310200100211000111112211122100
412120113320323230032311
512134241412110221010
6135404015521052313
75624333126002626
oct630277073541665
9120324014484570
1028063197742005
118a3a598579218
123192a04187099
13128746ac92bba
146d03a1d4ba4d
15339ec51532c0
hex1985f8eec3b5

28063197742005 has 48 divisors (see below), whose sum is σ = 51504838407360. Its totient is φ = 14086456088064.

The previous prime is 28063197741991. The next prime is 28063197742009. The reversal of 28063197742005 is 50024779136082.

It is a happy number.

28063197742005 is a `hidden beast` number, since 2 + 80 + 63 + 19 + 77 + 420 + 0 + 5 = 666.

It is not a de Polignac number, because 28063197742005 - 24 = 28063197741989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28063197742009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85641166 + ... + 85968224.

It is an arithmetic number, because the mean of its divisors is an integer number (1073017466820).

It is a 1-persistent number, because it is pandigital, but 2⋅28063197742005 = 56126395484010 is not.

Almost surely, 228063197742005 is an apocalyptic number.

It is an amenable number.

28063197742005 is a deficient number, since it is larger than the sum of its proper divisors (23441640665355).

28063197742005 is a wasteful number, since it uses less digits than its factorization.

28063197742005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439250 (or 439247 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 28063197742005 in words is "twenty-eight trillion, sixty-three billion, one hundred ninety-seven million, seven hundred forty-two thousand, five".

Divisors: 1 3 5 9 15 17 45 51 85 153 255 765 112163 327059 336489 560815 981177 1009467 1635295 1682445 1906771 2943531 4905885 5047335 5560003 5720313 9533855 14717655 16680009 17160939 27800015 28601565 50040027 83400045 85804695 250200135 36683918617 110051755851 183419593085 330155267553 550258779255 623626616489 1650776337765 1870879849467 3118133082445 5612639548401 9354399247335 28063197742005