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32440998481 is a prime number
BaseRepresentation
bin11110001101101000…
…100101101001010001
310002201212110110210021
4132031220211221101
51012414343422411
622523031103441
72225626636333
oct361550455121
9102655413707
1032440998481
1112838109351
126354511b81
1330a0006bb8
1417da6db453
15c9d09ca71
hex78da25a51

32440998481 has 2 divisors, whose sum is σ = 32440998482. Its totient is φ = 32440998480.

The previous prime is 32440998461. The next prime is 32440998523. The reversal of 32440998481 is 18489904423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23836580881 + 8604417600 = 154391^2 + 92760^2 .

It is a cyclic number.

It is not a de Polignac number, because 32440998481 - 29 = 32440997969 is a prime.

It is a super-2 number, since 2×324409984812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32440998431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16220499240 + 16220499241.

It is an arithmetic number, because the mean of its divisors is an integer number (16220499241).

Almost surely, 232440998481 is an apocalyptic number.

It is an amenable number.

32440998481 is a deficient number, since it is larger than the sum of its proper divisors (1).

32440998481 is an equidigital number, since it uses as much as digits as its factorization.

32440998481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 52.

It can be divided in two parts, 3244099848 and 1, that added together give a square (3244099849 = 569572).

The spelling of 32440998481 in words is "thirty-two billion, four hundred forty million, nine hundred ninety-eight thousand, four hundred eighty-one".