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2330005991 = 13763126953
BaseRepresentation
bin1000101011100001…
…0001000111100111
320000101022120100012
42022320101013213
514232440142431
61023112040435
7111511503245
oct21270210747
96011276305
102330005991
11a96255a95
1255039311b
132b194ca91
1418163d795
15d984c22b
hex8ae111e7

2330005991 has 8 divisors (see below), whose sum is σ = 2350820064. Its totient is φ = 2309247360.

The previous prime is 2330005969. The next prime is 2330006017. The reversal of 2330005991 is 1995000332.

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

It is a cyclic number.

It is not a de Polignac number, because 2330005991 - 218 = 2329743847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2330005591) 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, 72971 + ... + 99923.

It is an arithmetic number, because the mean of its divisors is an integer number (293852508).

Almost surely, 22330005991 is an apocalyptic number.

2330005991 is a deficient number, since it is larger than the sum of its proper divisors (20814073).

2330005991 is a wasteful number, since it uses less digits than its factorization.

2330005991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27721.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 2330005991 is about 48270.1356016326. The cubic root of 2330005991 is about 1325.7216415004.

The spelling of 2330005991 in words is "two billion, three hundred thirty million, five thousand, nine hundred ninety-one".

Divisors: 1 137 631 26953 86447 3692561 17007343 2330005991