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18455455482 = 23101227134161
BaseRepresentation
bin10001001100000001…
…111110011011111010
31202122012012021111020
4101030001332123322
5300244044033412
612251152243310
71222225532442
oct211401763372
952565167436
1018455455482
117910694952
1236b0840536
1319816ba479
14c71109122
1573037318c
hex44c07e6fa

18455455482 has 32 divisors (see below), whose sum is σ = 37440857664. Its totient is φ = 6064032000.

The previous prime is 18455455471. The next prime is 18455455483. The reversal of 18455455482 is 28455455481.

It is not an unprimeable number, because it can be changed into a prime (18455455483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70482 + ... + 204642.

It is an arithmetic number, because the mean of its divisors is an integer number (1170026802).

Almost surely, 218455455482 is an apocalyptic number.

18455455482 is an abundant number, since it is smaller than the sum of its proper divisors (18985402182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18455455482 is a wasteful number, since it uses less digits than its factorization.

18455455482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134494.

The product of its digits is 5120000, while the sum is 51.

Subtracting 18455455482 from its reverse (28455455481), we obtain a palindrome (9999999999).

The spelling of 18455455482 in words is "eighteen billion, four hundred fifty-five million, four hundred fifty-five thousand, four hundred eighty-two".

Divisors: 1 2 3 6 101 202 227 303 454 606 681 1362 22927 45854 68781 134161 137562 268322 402483 804966 13550261 27100522 30454547 40650783 60909094 81301566 91363641 182727282 3075909247 6151818494 9227727741 18455455482