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91080328088041 = 225767403426223
BaseRepresentation
bin10100101101011001001010…
…100110100000100111101001
3102221111012020122222101010021
4110231121022212200213221
543414230002442304131
6521413420341520441
725120223302641325
oct2455311246404751
9387435218871107
1091080328088041
1127025a4a823576
12a26bb89713121
133ba8ab83717c6
14186c4506aa985
15a7e31d2bce11
hex52d64a9a09e9

91080328088041 has 4 divisors (see below), whose sum is σ = 91080731740032. Its totient is φ = 91079924436052.

The previous prime is 91080328088039. The next prime is 91080328088093. The reversal of 91080328088041 is 14088082308019.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91080328088041 - 21 = 91080328088039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91080328088041.

It is not an unprimeable number, because it can be changed into a prime (91080328188041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201487345 + ... + 201938878.

It is an arithmetic number, because the mean of its divisors is an integer number (22770182935008).

Almost surely, 291080328088041 is an apocalyptic number.

It is an amenable number.

91080328088041 is a deficient number, since it is larger than the sum of its proper divisors (403651991).

91080328088041 is a wasteful number, since it uses less digits than its factorization.

91080328088041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403651990.

The product of its (nonzero) digits is 884736, while the sum is 52.

The spelling of 91080328088041 in words is "ninety-one trillion, eighty billion, three hundred twenty-eight million, eighty-eight thousand, forty-one".

Divisors: 1 225767 403426223 91080328088041