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12079170220 = 2251323796587
BaseRepresentation
bin10110011111111100…
…11000001010101100
31011011211002102110211
423033332120022230
5144214231421340
65314334312204
7605222152465
oct131776301254
934154072424
1012079170220
115139416407
122411358664
1311a6694300
14828349d6c
154aa6ad5ea
hex2cff982ac

12079170220 has 72 divisors (see below), whose sum is σ = 28210263984. Its totient is φ = 4339415808.

The previous prime is 12079170203. The next prime is 12079170221. The reversal of 12079170220 is 2207197021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12079170221) 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 23 ways as a sum of consecutive naturals, for example, 76767 + ... + 173353.

It is an arithmetic number, because the mean of its divisors is an integer number (391809222).

Almost surely, 212079170220 is an apocalyptic number.

12079170220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12079170220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14105131992).

12079170220 is an abundant number, since it is smaller than the sum of its proper divisors (16131093764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12079170220 is a wasteful number, since it uses less digits than its factorization.

12079170220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96659 (or 96644 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The spelling of 12079170220 in words is "twelve billion, seventy-nine million, one hundred seventy thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 37 52 65 74 130 148 169 185 260 338 370 481 676 740 845 962 1690 1924 2405 3380 4810 6253 9620 12506 25012 31265 62530 96587 125060 193174 386348 482935 965870 1255631 1931740 2511262 3573719 5022524 6278155 7147438 12556310 14294876 16323203 17868595 25112620 32646406 35737190 46458347 65292812 71474380 81616015 92916694 163232030 185833388 232291735 326464060 464583470 603958511 929166940 1207917022 2415834044 3019792555 6039585110 12079170220