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192081469441 = 4382712
BaseRepresentation
bin1011001011100011110…
…0101010000000000001
3200100210111011122122211
42302320330222000001
511121340324010231
6224124020302121
716606646360041
oct2627074520001
9610714148584
10192081469441
1174508a88a74
1231287841941
1315161932234
149422583721
154ee31bceb1
hex2cb8f2a001

192081469441 has 3 divisors (see below), whose sum is σ = 192081907713. Its totient is φ = 192081031170.

The previous prime is 192081469409. The next prime is 192081469453. The reversal of 192081469441 is 144964180291.

The square root of 192081469441 is 438271.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 192081469441 - 25 = 192081469409 is a prime.

It is a super-2 number, since 2×1920814694412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192081469141) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 219136 + ... + 657406.

It is an arithmetic number, because the mean of its divisors is an integer number (64027302571).

Almost surely, 2192081469441 is an apocalyptic number.

192081469441 is the 438271-st square number.

192081469441 is the 219136-th centered octagonal number.

It is an amenable number.

192081469441 is a deficient number, since it is larger than the sum of its proper divisors (438272).

192081469441 is an frugal number, since it uses more digits than its factorization.

192081469441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876542 (or 438271 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

Multiplying 192081469441 by its sum of digits (49), we get a square (9411992002609 = 30678972).

The spelling of 192081469441 in words is "one hundred ninety-two billion, eighty-one million, four hundred sixty-nine thousand, four hundred forty-one".

Divisors: 1 438271 192081469441