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18895969010 = 252382999103
BaseRepresentation
bin10001100110010010…
…011001101011110010
31210202220002200110002
4101212102121223302
5302144332002020
612403010110002
71236155041442
oct214622315362
953686080402
1018895969010
118017311216
1237b427b302
131a21a45269
14cb3818122
15758d8a975
hex466499af2

18895969010 has 32 divisors (see below), whose sum is σ = 35534730240. Its totient is φ = 7220968128.

The previous prime is 18895968983. The next prime is 18895969019. The reversal of 18895969010 is 1096959881.

It is not an unprimeable number, because it can be changed into a prime (18895969019) 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 15 ways as a sum of consecutive naturals, for example, 141119 + ... + 240221.

It is an arithmetic number, because the mean of its divisors is an integer number (1110460320).

Almost surely, 218895969010 is an apocalyptic number.

18895969010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18895969010 is a deficient number, since it is larger than the sum of its proper divisors (16638761230).

18895969010 is a wasteful number, since it uses less digits than its factorization.

18895969010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99962.

The product of its (nonzero) digits is 1399680, while the sum is 56.

The spelling of 18895969010 in words is "eighteen billion, eight hundred ninety-five million, nine hundred sixty-nine thousand, ten".

Divisors: 1 2 5 10 23 46 115 230 829 1658 4145 8290 19067 38134 95335 99103 190670 198206 495515 991030 2279369 4558738 11396845 22793690 82156387 164312774 410781935 821563870 1889596901 3779193802 9447984505 18895969010