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12832072009 = 193718253303
BaseRepresentation
bin10111111001101100…
…11110000101001001
31020010021210210120021
423330312132011021
5202240002301014
65521151500441
7632663545441
oct137466360511
936107723507
1012832072009
115495408699
1225a1527721
131296666823
1489a335121
15501830624
hex2fcd9e149

12832072009 has 8 divisors (see below), whose sum is σ = 13872511040. Its totient is φ = 11828139696.

The previous prime is 12832072007. The next prime is 12832072027. The reversal of 12832072009 is 90027023821.

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 12832072009 - 21 = 12832072007 is a prime.

It is a super-2 number, since 2×128320720092 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12832072007) 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, 9125949 + ... + 9127354.

It is an arithmetic number, because the mean of its divisors is an integer number (1734063880).

Almost surely, 212832072009 is an apocalyptic number.

12832072009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12832072009 is a deficient number, since it is larger than the sum of its proper divisors (1040439031).

12832072009 is a wasteful number, since it uses less digits than its factorization.

12832072009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18253359.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 12832072009 in words is "twelve billion, eight hundred thirty-two million, seventy-two thousand, nine".

Divisors: 1 19 37 703 18253303 346812757 675372211 12832072009