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6982737545169 = 32109280812
BaseRepresentation
bin110010110011100101110…
…0101110100011111010001
3220201112122222121102010100
41211213023211310133101
51403401121302421134
622503454135123013
71320325513551441
oct145471345643721
926645588542110
106982737545169
1122523a9339551
12949374813469
133b8614151809
141a1d75758121
15c1984e82999
hex659cb9747d1

6982737545169 has 27 divisors (see below), whose sum is σ = 10180818962769. Its totient is φ = 4611879711360.

The previous prime is 6982737545131. The next prime is 6982737545177. The reversal of 6982737545169 is 9615457372896.

The square root of 6982737545169 is 2642487.

It is a perfect power (a square), and thus also a powerful number.

6982737545169 is a `hidden beast` number, since 6 + 9 + 8 + 2 + 73 + 7 + 545 + 1 + 6 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11553455169 + 6971184090000 = 107487^2 + 2640300^2 .

It is not a de Polignac number, because 6982737545169 - 211 = 6982737543121 is a prime.

It is a super-2 number, since 2×69827375451692 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6982737545097 and 6982737545106.

It is not an unprimeable number, because it can be changed into a prime (6982737545369) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 864089209 + ... + 864097289.

Almost surely, 26982737545169 is an apocalyptic number.

6982737545169 is the 2642487-th square number.

6982737545169 is the 1321244-th centered octagonal number.

It is an amenable number.

6982737545169 is a deficient number, since it is larger than the sum of its proper divisors (3198081417600).

6982737545169 is an frugal number, since it uses more digits than its factorization.

6982737545169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16386 (or 8193 counting only the distinct ones).

The product of its digits is 685843200, while the sum is 72.

The spelling of 6982737545169 in words is "six trillion, nine hundred eighty-two billion, seven hundred thirty-seven million, five hundred forty-five thousand, one hundred sixty-nine".

Divisors: 1 3 9 109 327 981 8081 11881 24243 35643 72729 106929 880829 2642487 7927461 65302561 96010361 195907683 288031083 587723049 864093249 7117979149 21353937447 64061812341 775859727241 2327579181723 6982737545169