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19512940082 = 2597110721767
BaseRepresentation
bin10010001011000011…
…111101011000110010
31212100220001001122112
4102023003331120302
5304430303040312
612544130005322
71260356153066
oct221303753062
955326031575
1019512940082
118303600769
123946a16842
131abc8036bc
14d3173baa6
1579310bd22
hex48b0fd632

19512940082 has 32 divisors (see below), whose sum is σ = 30468234240. Its totient is φ = 9367215760.

The previous prime is 19512940067. The next prime is 19512940103. The reversal of 19512940082 is 28004921591.

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 15 ways as a sum of consecutive naturals, for example, 885563 + ... + 907329.

It is an arithmetic number, because the mean of its divisors is an integer number (952132320).

Almost surely, 219512940082 is an apocalyptic number.

19512940082 is a deficient number, since it is larger than the sum of its proper divisors (10955294158).

19512940082 is a wasteful number, since it uses less digits than its factorization.

19512940082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22006.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 19512940082 in words is "nineteen billion, five hundred twelve million, nine hundred forty thousand, eighty-two".

Divisors: 1 2 59 71 107 118 142 214 4189 6313 7597 8378 12626 15194 21767 43534 448223 896446 1284253 1545457 2329069 2568506 3090914 4658138 91181963 137415071 165363899 182363926 274830142 330727798 9756470041 19512940082