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10231120209 = 319179493337
BaseRepresentation
bin10011000011101001…
…01000000101010001
3222102000122202110010
421201310220011101
5131423131321314
64411120225133
7511352041542
oct114164500521
928360582403
1010231120209
114380223052
121b9646b1a9
13c7084c5ab
146d0b264c9
153ed313059
hex261d28151

10231120209 has 8 divisors (see below), whose sum is σ = 14359467040. Its totient is φ = 6461760096.

The previous prime is 10231120177. The next prime is 10231120243. The reversal of 10231120209 is 90202113201.

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

It is not a de Polignac number, because 10231120209 - 25 = 10231120177 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 (10231120259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89746612 + ... + 89746725.

It is an arithmetic number, because the mean of its divisors is an integer number (1794933380).

Almost surely, 210231120209 is an apocalyptic number.

10231120209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10231120209 is a deficient number, since it is larger than the sum of its proper divisors (4128346831).

10231120209 is a wasteful number, since it uses less digits than its factorization.

10231120209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179493359.

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 10231120209 in words is "ten billion, two hundred thirty-one million, one hundred twenty thousand, two hundred nine".

Divisors: 1 3 19 57 179493337 538480011 3410373403 10231120209