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19435160090 = 252912966721
BaseRepresentation
bin10010000110011011…
…010000001000011010
31212011110200102120002
4102012123100020122
5304300400110330
612532310533002
71255423064213
oct220633201032
955143612502
1019435160090
118273706485
123924967162
131aa966c938
14d2529240a
1578b395e45
hex4866d021a

19435160090 has 16 divisors (see below), whose sum is σ = 34985013480. Its totient is φ = 7773680640.

The previous prime is 19435160009. The next prime is 19435160099. The reversal of 19435160090 is 9006153491.

It can be written as a sum of positive squares in 4 ways, for example, as 12907004881 + 6528155209 = 113609^2 + 80797^2 .

It is not an unprimeable number, because it can be changed into a prime (19435160099) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 257930 + ... + 324650.

Almost surely, 219435160090 is an apocalyptic number.

19435160090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19435160090 is a deficient number, since it is larger than the sum of its proper divisors (15549853390).

19435160090 is a wasteful number, since it uses less digits than its factorization.

19435160090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95857.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 19435160090 in words is "nineteen billion, four hundred thirty-five million, one hundred sixty thousand, ninety".

Divisors: 1 2 5 10 29129 58258 66721 133442 145645 291290 333605 667210 1943516009 3887032018 9717580045 19435160090