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32981049725569 = 1125220832
BaseRepresentation
bin1110111111110111111111…
…10000001101001010000001
311022202221212001200100110021
413133323333300031022001
513310330142212204234
6154051141324333441
76642542105102641
oct737737760151201
9138687761610407
1032981049725569
11a566203835100
123847b469a4281
13155313abc1bca
14820411570521
153c2da5a069b4
hex1dfeffc0d281

32981049725569 has 9 divisors (see below), whose sum is σ = 36251967069409. Its totient is φ = 29982715048660.

The previous prime is 32981049725527. The next prime is 32981049725573. The reversal of 32981049725569 is 96552794018923.

The square root of 32981049725569 is 5742913.

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

It is not a de Polignac number, because 32981049725569 - 219 = 32981049201281 is a prime.

It is a super-2 number, since 2×329810497255692 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32981049725498 and 32981049725507.

It is not an unprimeable number, because it can be changed into a prime (32981049725509) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62911002 + ... + 63433084.

It is a 1-persistent number, because it is pandigital, but 2⋅32981049725569 = 65962099451138 is not.

Almost surely, 232981049725569 is an apocalyptic number.

32981049725569 is the 5742913-rd square number.

32981049725569 is the 2871457-th centered octagonal number.

It is an amenable number.

32981049725569 is a deficient number, since it is larger than the sum of its proper divisors (3270917343840).

32981049725569 is an frugal number, since it uses more digits than its factorization.

32981049725569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044188 (or 522094 counting only the distinct ones).

The product of its (nonzero) digits is 293932800, while the sum is 70.

The spelling of 32981049725569 in words is "thirty-two trillion, nine hundred eighty-one billion, forty-nine million, seven hundred twenty-five thousand, five hundred sixty-nine".

Divisors: 1 11 121 522083 5742913 63172043 272570658889 2998277247779 32981049725569