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2028510130673 = 132437417715329
BaseRepresentation
bin11101100001001100101…
…000000011000111110001
321011220221100200112211202
4131201030220003013301
5231213342043140143
64151515032020545
7266361241421405
oct35411450030761
97156840615752
102028510130673
117123170a3a54
1228917bb31755
13119398073390
14702750b1105
1537b75e0dab8
hex1d84ca031f1

2028510130673 has 16 divisors (see below), whose sum is σ = 2186111593680. Its totient is φ = 1871132368896.

The previous prime is 2028510130667. The next prime is 2028510130681. The reversal of 2028510130673 is 3760310158202.

It can be written as a sum of positive squares in 8 ways, for example, as 16628876209 + 2011881254464 = 128953^2 + 1418408^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028510130673 - 234 = 2011330261489 is a prime.

It is a super-2 number, since 2×20285101306732 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2028510130663) 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, 132323873 + ... + 132339201.

It is an arithmetic number, because the mean of its divisors is an integer number (136631974605).

Almost surely, 22028510130673 is an apocalyptic number.

It is an amenable number.

2028510130673 is a deficient number, since it is larger than the sum of its proper divisors (157601463007).

2028510130673 is a wasteful number, since it uses less digits than its factorization.

2028510130673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21956.

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 2028510130673 its reverse (3760310158202), we get a palindrome (5788820288875).

The spelling of 2028510130673 in words is "two trillion, twenty-eight billion, five hundred ten million, one hundred thirty thousand, six hundred seventy-three".

Divisors: 1 13 2437 4177 15329 31681 54301 199277 10179349 37356773 64029233 132331537 485638049 832380029 156039240821 2028510130673