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18763130 = 2513114323
BaseRepresentation
bin100011110010…
…0110101111010
31022022021011202
41013210311322
514300410010
61510054202
7315325001
oct107446572
938267152
1018763130
11a656021
12634a362
133b6c459
1426c5c38
1519a96a5
hex11e4d7a

18763130 has 16 divisors (see below), whose sum is σ = 34033824. Its totient is φ = 7447440.

The previous prime is 18763103. The next prime is 18763141. The reversal of 18763130 is 3136781.

It is a junction number, because it is equal to n+sod(n) for n = 18763093 and 18763102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5852 + ... + 8471.

It is an arithmetic number, because the mean of its divisors is an integer number (2127114).

Almost surely, 218763130 is an apocalyptic number.

18763130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18763130 is a deficient number, since it is larger than the sum of its proper divisors (15270694).

18763130 is a wasteful number, since it uses less digits than its factorization.

18763130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14461.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 18763130 is about 4331.6428753996. The cubic root of 18763130 is about 265.7266398575.

The spelling of 18763130 in words is "eighteen million, seven hundred sixty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 131 262 655 1310 14323 28646 71615 143230 1876313 3752626 9381565 18763130