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102220112109 = 3125112723473
BaseRepresentation
bin101111100110011001…
…0110010000011101101
3100202211220011201112010
41133030302302003231
53133321322041414
6114543111431433
710246052421363
oct1371462620355
9322756151463
10102220112109
113a3956521a5
1217989385579
13984076354b
144d39c55633
1529d40ca959
hex17cccb20ed

102220112109 has 8 divisors (see below), whose sum is σ = 136304426752. Its totient is φ = 68141269440.

The previous prime is 102220112063. The next prime is 102220112117. The reversal of 102220112109 is 901211022201.

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

It is not a de Polignac number, because 102220112109 - 211 = 102220110061 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 (102220112009) 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, 1324204 + ... + 1399269.

It is an arithmetic number, because the mean of its divisors is an integer number (17038053344).

Almost surely, 2102220112109 is an apocalyptic number.

It is an amenable number.

102220112109 is a deficient number, since it is larger than the sum of its proper divisors (34084314643).

102220112109 is a wasteful number, since it uses less digits than its factorization.

102220112109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735987.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 102220112109 in words is "one hundred two billion, two hundred twenty million, one hundred twelve thousand, one hundred nine".

Divisors: 1 3 12511 37533 2723473 8170419 34073370703 102220112109