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9689889801 = 35641572587
BaseRepresentation
bin10010000011000111…
…11111110000001001
3221000022020101220110
421001203333300021
5124321102433201
64241303544533
7462060463404
oct110143776011
927008211813
109689889801
114122765699
121a6515b149
13bb568c907
1467ccbad3b
153baa536d6
hex2418ffc09

9689889801 has 8 divisors (see below), whose sum is σ = 12922165984. Its totient is φ = 6458770080.

The previous prime is 9689889793. The next prime is 9689889809. The reversal of 9689889801 is 1089889869.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9689889793) and next prime (9689889809).

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

It is not a de Polignac number, because 9689889801 - 23 = 9689889793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9689889809) 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, 269371 + ... + 303216.

It is an arithmetic number, because the mean of its divisors is an integer number (1615270748).

Almost surely, 29689889801 is an apocalyptic number.

It is an amenable number.

9689889801 is a deficient number, since it is larger than the sum of its proper divisors (3232276183).

9689889801 is a wasteful number, since it uses less digits than its factorization.

9689889801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578231.

The product of its (nonzero) digits is 17915904, while the sum is 66.

The square root of 9689889801 is about 98437.2378777462. The cubic root of 9689889801 is about 2131.9300249865.

The spelling of 9689889801 in words is "nine billion, six hundred eighty-nine million, eight hundred eighty-nine thousand, eight hundred one".

Divisors: 1 3 5641 16923 572587 1717761 3229963267 9689889801