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18882524450 = 252377650489
BaseRepresentation
bin10001100101011111…
…000111010100100010
31210201221210121222102
4101211133013110202
5302132411240300
612401410010402
71235632544456
oct214537072442
953657717872
1018882524450
11800a769109
1237ab876a02
131a1c0188ba
14cb1b18666
15757ad20d5
hex4657c7522

18882524450 has 12 divisors (see below), whose sum is σ = 35121495570. Its totient is φ = 7553009760.

The previous prime is 18882524449. The next prime is 18882524467. The reversal of 18882524450 is 5442528881.

It can be written as a sum of positive squares in 3 ways, for example, as 18285259729 + 597264721 = 135223^2 + 24439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18882524395 and 18882524404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188825195 + ... + 188825294.

Almost surely, 218882524450 is an apocalyptic number.

18882524450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18882524450 is a deficient number, since it is larger than the sum of its proper divisors (16238971120).

18882524450 is a wasteful number, since it uses less digits than its factorization.

18882524450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377650501 (or 377650496 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 47.

The spelling of 18882524450 in words is "eighteen billion, eight hundred eighty-two million, five hundred twenty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 377650489 755300978 1888252445 3776504890 9441262225 18882524450