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121006164 = 22312897823
BaseRepresentation
bin1110011011001…
…10100001010100
322102200202020210
413031212201110
5221434144124
620001325420
72666351436
oct715464124
9272622223
10121006164
11623397a4
1234636870
131c0b9ba6
14120dc656
15a953a29
hex7366854

121006164 has 24 divisors (see below), whose sum is σ = 282602880. Its totient is φ = 40298944.

The previous prime is 121006159. The next prime is 121006177. The reversal of 121006164 is 461600121.

It is a self number, because there is not a number n which added to its sum of digits gives 121006164.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11557 + ... + 19379.

It is an arithmetic number, because the mean of its divisors is an integer number (11775120).

Almost surely, 2121006164 is an apocalyptic number.

It is an amenable number.

121006164 is an abundant number, since it is smaller than the sum of its proper divisors (161596716).

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

121006164 is a wasteful number, since it uses less digits than its factorization.

121006164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9119 (or 9117 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 121006164 is about 11000.2801782500. The cubic root of 121006164 is about 494.6171429930.

Adding to 121006164 its reverse (461600121), we get a palindrome (582606285).

The spelling of 121006164 in words is "one hundred twenty-one million, six thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 1289 2578 3867 5156 7734 7823 15468 15646 23469 31292 46938 93876 10083847 20167694 30251541 40335388 60503082 121006164