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7693055988 = 2231275047937
BaseRepresentation
bin1110010101000101…
…01011011111110100
3201212010211201212120
413022202223133310
5111223410242423
63311212515540
7361432616442
oct71242533764
921763751776
107693055988
113298590912
1215a847bbb0
13957a83747
1452da07b92
153005b8ee3
hex1ca8ab7f4

7693055988 has 24 divisors (see below), whose sum is σ = 18091809792. Its totient is φ = 2544159744.

The previous prime is 7693055987. The next prime is 7693055989. The reversal of 7693055988 is 8895503967.

It is an interprime number because it is at equal distance from previous prime (7693055987) and next prime (7693055989).

It is a super-2 number, since 2×76930559882 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7693055987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2522445 + ... + 2525492.

It is an arithmetic number, because the mean of its divisors is an integer number (753825408).

Almost surely, 27693055988 is an apocalyptic number.

It is an amenable number.

7693055988 is an abundant number, since it is smaller than the sum of its proper divisors (10398753804).

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

7693055988 is a wasteful number, since it uses less digits than its factorization.

7693055988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048071 (or 5048069 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 60.

The square root of 7693055988 is about 87710.0677687573. The cubic root of 7693055988 is about 1974.0870416335.

The spelling of 7693055988 in words is "seven billion, six hundred ninety-three million, fifty-five thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 127 254 381 508 762 1524 5047937 10095874 15143811 20191748 30287622 60575244 641087999 1282175998 1923263997 2564351996 3846527994 7693055988