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19583458068 = 2236701243539
BaseRepresentation
bin10010001111010000…
…111101101100010100
31212112210201202010210
4102033100331230110
5310101331124233
612555125245420
71262203434636
oct221720755424
955483652123
1019583458068
11833a395999
123966563870
131b012c3c15
14d3ac56a56
157993db163
hex48f43db14

19583458068 has 24 divisors (see below), whose sum is σ = 45701742240. Its totient is φ = 6526818400.

The previous prime is 19583458067. The next prime is 19583458129. The reversal of 19583458068 is 86085438591.

It is a super-2 number, since 2×195834580682 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19583457999 and 19583458017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19583458067) by changing a digit.

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, 41358 + ... + 202181.

It is an arithmetic number, because the mean of its divisors is an integer number (1904239260).

Almost surely, 219583458068 is an apocalyptic number.

It is an amenable number.

19583458068 is an abundant number, since it is smaller than the sum of its proper divisors (26118284172).

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

19583458068 is a wasteful number, since it uses less digits than its factorization.

19583458068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250247 (or 250245 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 57.

The spelling of 19583458068 in words is "nineteen billion, five hundred eighty-three million, four hundred fifty-eight thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 6701 13402 20103 26804 40206 80412 243539 487078 730617 974156 1461234 2922468 1631954839 3263909678 4895864517 6527819356 9791729034 19583458068