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32790546881 is a prime number
BaseRepresentation
bin11110100010011110…
…000000100111000001
310010122020012101001022
4132202132000213001
51014123340000011
623021435115225
72240403023021
oct364236004701
9103566171038
1032790546881
11129a7455224
1264315a2b15
133127562681
141830ccba81
15cbdae78db
hex7a27809c1

32790546881 has 2 divisors, whose sum is σ = 32790546882. Its totient is φ = 32790546880.

The previous prime is 32790546871. The next prime is 32790546907. The reversal of 32790546881 is 18864509723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30820962481 + 1969584400 = 175559^2 + 44380^2 .

It is an emirp because it is prime and its reverse (18864509723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32790546881 - 226 = 32723438017 is a prime.

It is a super-2 number, since 2×327905468812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32790546821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16395273440 + 16395273441.

It is an arithmetic number, because the mean of its divisors is an integer number (16395273441).

It is a 1-persistent number, because it is pandigital, but 2⋅32790546881 = 65581093762 is not.

Almost surely, 232790546881 is an apocalyptic number.

It is an amenable number.

32790546881 is a deficient number, since it is larger than the sum of its proper divisors (1).

32790546881 is an equidigital number, since it uses as much as digits as its factorization.

32790546881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 32790546881 in words is "thirty-two billion, seven hundred ninety million, five hundred forty-six thousand, eight hundred eighty-one".