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19051058212 = 2225621185893
BaseRepresentation
bin10001101111100010…
…000001010000100100
31211011200221000211121
4101233202001100210
5303004032330322
612430230143324
71243050215524
oct215742012044
954150830747
1019051058212
11809690a00a
1238381b1b44
131a47c06714
14cca269684
157677c2ec7
hex46f881424

19051058212 has 12 divisors (see below), whose sum is σ = 33340832476. Its totient is φ = 9525106080.

The previous prime is 19051058207. The next prime is 19051058269. The reversal of 19051058212 is 21285015091.

It can be written as a sum of positive squares in 2 ways, for example, as 4809977316 + 14241080896 = 69354^2 + 119336^2 .

It is a super-3 number, since 3×190510582123 (a number of 32 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 9538 + ... + 195430.

Almost surely, 219051058212 is an apocalyptic number.

It is an amenable number.

19051058212 is a deficient number, since it is larger than the sum of its proper divisors (14289774264).

19051058212 is a wasteful number, since it uses less digits than its factorization.

19051058212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211518 (or 211516 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 34.

The spelling of 19051058212 in words is "nineteen billion, fifty-one million, fifty-eight thousand, two hundred twelve".

Divisors: 1 2 4 25621 51242 102484 185893 371786 743572 4762764553 9525529106 19051058212