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1632068081 = 7733193871
BaseRepresentation
bin110000101000111…
…0110000111110001
311012202000122111222
41201101312013301
511320302134311
6425540514425
755305230660
oct14121660761
94182018458
101632068081
117682949a6
123966aba15
13200183177
14116a80dd7
1598435adb
hex614761f1

1632068081 has 8 divisors (see below), whose sum is σ = 1890772224. Its totient is φ = 1379751840.

The previous prime is 1632068071. The next prime is 1632068101. The reversal of 1632068081 is 1808602361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1632068081 is a prime.

It is a super-2 number, since 2×16320680812 = 5327292442038045122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1632068021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596425 + ... + 1597446.

It is an arithmetic number, because the mean of its divisors is an integer number (236346528).

Almost surely, 21632068081 is an apocalyptic number.

It is an amenable number.

1632068081 is a deficient number, since it is larger than the sum of its proper divisors (258704143).

1632068081 is an equidigital number, since it uses as much as digits as its factorization.

1632068081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193951.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1632068081 is about 40398.8623725966. The cubic root of 1632068081 is about 1177.3694347532.

The spelling of 1632068081 in words is "one billion, six hundred thirty-two million, sixty-eight thousand, eighty-one".

Divisors: 1 7 73 511 3193871 22357097 233152583 1632068081