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19052388612 = 2232904158537
BaseRepresentation
bin10001101111100111…
…000110000100000100
31211011210102121210200
4101233213012010010
5303004402413422
612430314450500
71243064426325
oct215747060404
954153377720
1019052388612
118097638614
123838733a30
131a4828113a
14cca4d444c
157679872ac
hex46f9c6104

19052388612 has 36 divisors (see below), whose sum is σ = 48166354236. Its totient is φ = 6349985280.

The previous prime is 19052388599. The next prime is 19052388613. The reversal of 19052388612 is 21688325091.

19052388612 is a `hidden beast` number, since 1 + 9 + 0 + 5 + 23 + 8 + 8 + 612 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14521214016 + 4531174596 = 120504^2 + 67314^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (19052388613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 296208 + ... + 354744.

Almost surely, 219052388612 is an apocalyptic number.

19052388612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19052388612 is an abundant number, since it is smaller than the sum of its proper divisors (29113965624).

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

19052388612 is a wasteful number, since it uses less digits than its factorization.

19052388612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67588 (or 67583 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 19052388612 in words is "nineteen billion, fifty-two million, three hundred eighty-eight thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 9041 18082 27123 36164 54246 58537 81369 108492 117074 162738 175611 234148 325476 351222 526833 702444 1053666 2107332 529233017 1058466034 1587699051 2116932068 3175398102 4763097153 6350796204 9526194306 19052388612