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32472668161 is a prime number
BaseRepresentation
bin11110001111100001…
…011001100000000001
310002211002001110102101
4132033201121200001
51013001000340121
622530121550401
72226463060633
oct361741314001
9102732043371
1032472668161
1112853a7a23a
126363045401
1330a6744b5b
1418009c2a53
15ca0c56491
hex78f859801

32472668161 has 2 divisors, whose sum is σ = 32472668162. Its totient is φ = 32472668160.

The previous prime is 32472668159. The next prime is 32472668251. The reversal of 32472668161 is 16186627423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22072747761 + 10399920400 = 148569^2 + 101980^2 .

It is a cyclic number.

It is not a de Polignac number, because 32472668161 - 21 = 32472668159 is a prime.

Together with 32472668159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (32472668101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16236334080 + 16236334081.

It is an arithmetic number, because the mean of its divisors is an integer number (16236334081).

Almost surely, 232472668161 is an apocalyptic number.

It is an amenable number.

32472668161 is a deficient number, since it is larger than the sum of its proper divisors (1).

32472668161 is an equidigital number, since it uses as much as digits as its factorization.

32472668161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The spelling of 32472668161 in words is "thirty-two billion, four hundred seventy-two million, six hundred sixty-eight thousand, one hundred sixty-one".