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18984482950 = 252379689659
BaseRepresentation
bin10001101011100100…
…000011100010000110
31211000001122122202011
4101223210003202012
5302340011423300
612415451204434
71241311304536
oct215344034206
954001578664
1018984482950
118062278034
123819a4671a
131a37196984
14cc14994c6
15761a21eba
hex46b903886

18984482950 has 12 divisors (see below), whose sum is σ = 35311138380. Its totient is φ = 7593793160.

The previous prime is 18984482899. The next prime is 18984482971. The reversal of 18984482950 is 5928448981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189844780 + ... + 189844879.

It is an arithmetic number, because the mean of its divisors is an integer number (2942594865).

Almost surely, 218984482950 is an apocalyptic number.

18984482950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18984482950 is a deficient number, since it is larger than the sum of its proper divisors (16326655430).

18984482950 is a wasteful number, since it uses less digits than its factorization.

18984482950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379689671 (or 379689666 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 18984482950 in words is "eighteen billion, nine hundred eighty-four million, four hundred eighty-two thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 379689659 759379318 1898448295 3796896590 9492241475 18984482950