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2212171129 = 73110194337
BaseRepresentation
bin1000001111011011…
…0000110101111001
312201011120221022001
42003312300311321
514012303434004
61003302301001
7105551100340
oct20366606571
95634527261
102212171129
11a35792a03
12518a27761
132934034cc
1416db28b57
15ce3231a4
hex83db0d79

2212171129 has 8 divisors (see below), whose sum is σ = 2609750528. Its totient is φ = 1834980480.

The previous prime is 2212171123. The next prime is 2212171139. The reversal of 2212171129 is 9211712122.

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 2212171129 - 215 = 2212138361 is a prime.

It is a super-2 number, since 2×22121711292 = 9787402207962269282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2212171097 and 2212171106.

It is not an unprimeable number, because it can be changed into a prime (2212171123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5096952 + ... + 5097385.

It is an arithmetic number, because the mean of its divisors is an integer number (326218816).

Almost surely, 22212171129 is an apocalyptic number.

It is an amenable number.

2212171129 is a deficient number, since it is larger than the sum of its proper divisors (397579399).

2212171129 is a wasteful number, since it uses less digits than its factorization.

2212171129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194375.

The product of its digits is 1008, while the sum is 28.

The square root of 2212171129 is about 47033.7233163610. The cubic root of 2212171129 is about 1302.9854717020.

The spelling of 2212171129 in words is "two billion, two hundred twelve million, one hundred seventy-one thousand, one hundred twenty-nine".

Divisors: 1 7 31 217 10194337 71360359 316024447 2212171129