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32165430061 is a prime number
BaseRepresentation
bin11101111101001101…
…011000001100101101
310002000122221010222111
4131331031120030231
51011333322230221
622435424444021
72216042434012
oct357515301455
9102018833874
1032165430061
1112706601756
126298179611
133057bb166b
1417b1c87709
15c83cb7be1
hex77d35832d

32165430061 has 2 divisors, whose sum is σ = 32165430062. Its totient is φ = 32165430060.

The previous prime is 32165430047. The next prime is 32165430067. The reversal of 32165430061 is 16003456123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31717472836 + 447957225 = 178094^2 + 21165^2 .

It is an emirp because it is prime and its reverse (16003456123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32165430061 - 227 = 32031212333 is a prime.

It is a super-2 number, since 2×321654300612 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32165430067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16082715030 + 16082715031.

It is an arithmetic number, because the mean of its divisors is an integer number (16082715031).

Almost surely, 232165430061 is an apocalyptic number.

It is an amenable number.

32165430061 is a deficient number, since it is larger than the sum of its proper divisors (1).

32165430061 is an equidigital number, since it uses as much as digits as its factorization.

32165430061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 32165430061 its reverse (16003456123), we get a palindrome (48168886184).

The spelling of 32165430061 in words is "thirty-two billion, one hundred sixty-five million, four hundred thirty thousand, sixty-one".