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121163017 = 1061114197
BaseRepresentation
bin1110011100011…
…00110100001001
322102222201102011
413032030310021
5222004204032
620004535521
73000603643
oct716146411
9272881364
10121163017
1162436628
12346b15a1
131c1433c1
141213d893
15a985247
hex738cd09

121163017 has 4 divisors (see below), whose sum is σ = 121278276. Its totient is φ = 121047760.

The previous prime is 121162999. The next prime is 121163027. The reversal of 121163017 is 710361121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84934656 + 36228361 = 9216^2 + 6019^2 .

It is a cyclic number.

It is not a de Polignac number, because 121163017 - 215 = 121130249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121163027) 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 3 ways as a sum of consecutive naturals, for example, 56038 + ... + 58159.

It is an arithmetic number, because the mean of its divisors is an integer number (30319569).

Almost surely, 2121163017 is an apocalyptic number.

It is an amenable number.

121163017 is a deficient number, since it is larger than the sum of its proper divisors (115259).

121163017 is a wasteful number, since it uses less digits than its factorization.

121163017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115258.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 121163017 is about 11007.4073695853. The cubic root of 121163017 is about 494.8307648521.

The spelling of 121163017 in words is "one hundred twenty-one million, one hundred sixty-three thousand, seventeen".

Divisors: 1 1061 114197 121163017