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19004580041 = 175212145713
BaseRepresentation
bin10001101100110000…
…101110000011001001
31211001110110200202212
4101230300232003021
5302410133030131
612421450034505
71241644156616
oct215460560311
954043420685
1019004580041
1180726542a7
123824718a35
131a3b3b2345
14cc400b50d
15763691a2b
hex46cc2e0c9

19004580041 has 8 divisors (see below), whose sum is σ = 20161128744. Its totient is φ = 17852323840.

The previous prime is 19004580037. The next prime is 19004580043. The reversal of 19004580041 is 14008540091.

It can be written as a sum of positive squares in 4 ways, for example, as 645414025 + 18359166016 = 25405^2 + 135496^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 19004580041 - 22 = 19004580037 is a prime.

It is a super-2 number, since 2×190045800412 (a number of 21 digits) 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 (19004580043) 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, 1064000 + ... + 1081713.

It is an arithmetic number, because the mean of its divisors is an integer number (2520141093).

Almost surely, 219004580041 is an apocalyptic number.

It is an amenable number.

19004580041 is a deficient number, since it is larger than the sum of its proper divisors (1156548703).

19004580041 is a wasteful number, since it uses less digits than its factorization.

19004580041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146251.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 19004580041 in words is "nineteen billion, four million, five hundred eighty thousand, forty-one".

Divisors: 1 17 521 8857 2145713 36477121 1117916473 19004580041