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19035018390 = 235634500613
BaseRepresentation
bin10001101110100100…
…110101010010010110
31211010120202010100010
4101232210311102112
5302440431042030
612424454301050
71242463662303
oct215644652226
954116663303
1019035018390
118088854063
123832957786
131a447ab9bb
14cc80920aa
157661a56b0
hex46e935496

19035018390 has 16 divisors (see below), whose sum is σ = 45684044208. Its totient is φ = 5076004896.

The previous prime is 19035018389. The next prime is 19035018407. The reversal of 19035018390 is 9381053091.

It is a congruent number.

It is an unprimeable number.

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, 317250277 + ... + 317250336.

It is an arithmetic number, because the mean of its divisors is an integer number (2855252763).

Almost surely, 219035018390 is an apocalyptic number.

19035018390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19035018390 is an abundant number, since it is smaller than the sum of its proper divisors (26649025818).

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

19035018390 is a wasteful number, since it uses less digits than its factorization.

19035018390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634500623.

The product of its (nonzero) digits is 29160, while the sum is 39.

The spelling of 19035018390 in words is "nineteen billion, thirty-five million, eighteen thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 634500613 1269001226 1903501839 3172503065 3807003678 6345006130 9517509195 19035018390