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18853996010 = 256173055753
BaseRepresentation
bin10001100011110010…
…010010010111101010
31210122222010020022112
4101203302102113222
5302103110333020
612354510322322
71235135215253
oct214362222752
953588106275
1018853996010
117aa5653293
1237a21b93a2
131a1613a675
14cac00db2a
157553492c5
hex463c925ea

18853996010 has 16 divisors (see below), whose sum is σ = 33992207496. Its totient is φ = 7529372928.

The previous prime is 18853995991. The next prime is 18853996019. The reversal of 18853996010 is 1069935881.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11362920409 + 7491075601 = 106597^2 + 86551^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18853996010.

It is not an unprimeable number, because it can be changed into a prime (18853996019) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1521707 + ... + 1534046.

Almost surely, 218853996010 is an apocalyptic number.

18853996010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18853996010 is a deficient number, since it is larger than the sum of its proper divisors (15138211486).

18853996010 is a wasteful number, since it uses less digits than its factorization.

18853996010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056377.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 18853996010 in words is "eighteen billion, eight hundred fifty-three million, nine hundred ninety-six thousand, ten".

Divisors: 1 2 5 10 617 1234 3085 6170 3055753 6111506 15278765 30557530 1885399601 3770799202 9426998005 18853996010