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768081633 = 31123275201
BaseRepresentation
bin101101110001111…
…111111011100001
31222112021120220220
4231301333323201
53033112103013
6204114353253
725014405024
oct5561777341
91875246826
10768081633
11364620110
1219528b829
13c3188997
147401b1bb
154766eb23
hex2dc7fee1

768081633 has 8 divisors (see below), whose sum is σ = 1117209696. Its totient is φ = 465504000.

The previous prime is 768081623. The next prime is 768081653. The reversal of 768081633 is 336180867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 768081633 - 29 = 768081121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (768081623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11637568 + ... + 11637633.

It is an arithmetic number, because the mean of its divisors is an integer number (139651212).

Almost surely, 2768081633 is an apocalyptic number.

It is an amenable number.

768081633 is a deficient number, since it is larger than the sum of its proper divisors (349128063).

768081633 is a wasteful number, since it uses less digits than its factorization.

768081633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23275215.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 768081633 is about 27714.2857205449. The cubic root of 768081633 is about 915.8038395798.

The spelling of 768081633 in words is "seven hundred sixty-eight million, eighty-one thousand, six hundred thirty-three".

Divisors: 1 3 11 33 23275201 69825603 256027211 768081633