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17630080081 = 26096757409
BaseRepresentation
bin10000011010110101…
…011010110001010001
31200111200002212021221
4100122311122301101
5242101300030311
612033225445041
71162614131245
oct203265326121
950450085257
1017630080081
1175277a2119
123500340781
13187c6c1563
14bd3656425
156d2b87671
hex41ad5ac51

17630080081 has 4 divisors (see below), whose sum is σ = 17636840100. Its totient is φ = 17623320064.

The previous prime is 17630080063. The next prime is 17630080123. The reversal of 17630080081 is 18008003671.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11733222400 + 5896857681 = 108320^2 + 76791^2 .

It is a cyclic number.

It is not a de Polignac number, because 17630080081 - 211 = 17630078033 is a prime.

It is a super-2 number, since 2×176300800812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17630084081) 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, 3376096 + ... + 3381313.

It is an arithmetic number, because the mean of its divisors is an integer number (4409210025).

Almost surely, 217630080081 is an apocalyptic number.

It is an amenable number.

17630080081 is a deficient number, since it is larger than the sum of its proper divisors (6760019).

17630080081 is an equidigital number, since it uses as much as digits as its factorization.

17630080081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760018.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 17630080081 in words is "seventeen billion, six hundred thirty million, eighty thousand, eighty-one".

Divisors: 1 2609 6757409 17630080081