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9182442001 = 78241117361
BaseRepresentation
bin10001000110101000…
…01111001000010001
3212200221101101101111
420203110033020101
5122301201121001
64115055333321
7443356316635
oct104324171021
925627341344
109182442001
113992281647
121943221241
13b344ca845
14631746dc5
1538b218851
hex22350f211

9182442001 has 4 divisors (see below), whose sum is σ = 9182637604. Its totient is φ = 9182246400.

The previous prime is 9182441971. The next prime is 9182442013. The reversal of 9182442001 is 1002442819.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1002442819 = 7143206117.

It can be written as a sum of positive squares in 2 ways, for example, as 6719900625 + 2462541376 = 81975^2 + 49624^2 .

It is a 3-Lehmer number, since φ(9182442001) divides (9182442001-1)3.

It is a cyclic number.

It is not a de Polignac number, because 9182442001 - 25 = 9182441969 is a prime.

It is a super-2 number, since 2×91824420012 (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 (9182442601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19561 + ... + 136921.

It is an arithmetic number, because the mean of its divisors is an integer number (2295659401).

It is a Poulet number, since it divides 29182442000-1.

Almost surely, 29182442001 is an apocalyptic number.

9182442001 is the 78241-st pentagonal number.

It is an amenable number.

9182442001 is a deficient number, since it is larger than the sum of its proper divisors (195603).

9182442001 is a wasteful number, since it uses less digits than its factorization.

9182442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195602.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 9182442001 is about 95825.0593581867. The cubic root of 9182442001 is about 2094.0452623641.

The spelling of 9182442001 in words is "nine billion, one hundred eighty-two million, four hundred forty-two thousand, one".

Divisors: 1 78241 117361 9182442001