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122243011 = 1117364237
BaseRepresentation
bin1110100100101…
…00011111000011
322112000120212221
413102110133003
5222243234021
620044031511
73013022422
oct722243703
9275016787
10122243011
1163003a90
1234b32597
131c430b57
14123412b9
15aaea241
hex74947c3

122243011 has 8 divisors (see below), whose sum is σ = 134128944. Its totient is φ = 110485920.

The previous prime is 122242997. The next prime is 122243021. The reversal of 122243011 is 110342221.

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 122243011 - 215 = 122210243 is a prime.

It is a super-2 number, since 2×1222430112 = 29886707476692242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122243021) 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, 30216 + ... + 34021.

It is an arithmetic number, because the mean of its divisors is an integer number (16766118).

Almost surely, 2122243011 is an apocalyptic number.

122243011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122243011 is a deficient number, since it is larger than the sum of its proper divisors (11885933).

122243011 is a wasteful number, since it uses less digits than its factorization.

122243011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64421.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 122243011 is about 11056.3561357257. The cubic root of 122243011 is about 496.2966528269.

Adding to 122243011 its reverse (110342221), we get a palindrome (232585232).

The spelling of 122243011 in words is "one hundred twenty-two million, two hundred forty-three thousand, eleven".

Divisors: 1 11 173 1903 64237 706607 11113001 122243011