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18929693010 = 2353463182209
BaseRepresentation
bin10001101000010011…
…000011000101010010
31210212020120001002010
4101220103003011102
5302232000134020
612410213003350
71240044510234
oct215023030522
953766501063
1018929693010
118034355598
123803623556
131a28a222a7
14cb80b6254
1575bcecde0
hex4684c3152

18929693010 has 32 divisors (see below), whose sum is σ = 45444631680. Its totient is φ = 5046432768.

The previous prime is 18929692987. The next prime is 18929693039. The reversal of 18929693010 is 1039692981.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12786 + ... + 194994.

It is an arithmetic number, because the mean of its divisors is an integer number (1420144740).

Almost surely, 218929693010 is an apocalyptic number.

18929693010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18929693010 is an abundant number, since it is smaller than the sum of its proper divisors (26514938670).

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

18929693010 is a wasteful number, since it uses less digits than its factorization.

18929693010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185682.

The product of its (nonzero) digits is 209952, while the sum is 48.

The spelling of 18929693010 in words is "eighteen billion, nine hundred twenty-nine million, six hundred ninety-three thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 3463 6926 10389 17315 20778 34630 51945 103890 182209 364418 546627 911045 1093254 1822090 2733135 5466270 630989767 1261979534 1892969301 3154948835 3785938602 6309897670 9464846505 18929693010