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18483149023 = 196115947497
BaseRepresentation
bin10001001101101011…
…100111100011011111
31202201010022020212221
4101031223213203133
5300323141232043
612254022010211
71223013113563
oct211553474337
952633266787
1018483149023
11792528a479
1236b9b76967
131987365691
14c74a776a3
157329e38ed
hex44dae78df

18483149023 has 8 divisors (see below), whose sum is σ = 19774897520. Its totient is φ = 17223295680.

The previous prime is 18483149021. The next prime is 18483149051. The reversal of 18483149023 is 32094138481.

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 18483149023 - 21 = 18483149021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18483149021) 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, 7972590 + ... + 7974907.

It is an arithmetic number, because the mean of its divisors is an integer number (2471862190).

Almost surely, 218483149023 is an apocalyptic number.

18483149023 is a deficient number, since it is larger than the sum of its proper divisors (1291748497).

18483149023 is a wasteful number, since it uses less digits than its factorization.

18483149023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15947577.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 18483149023 in words is "eighteen billion, four hundred eighty-three million, one hundred forty-nine thousand, twenty-three".

Divisors: 1 19 61 1159 15947497 303002443 972797317 18483149023