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11221109974 = 237271505381
BaseRepresentation
bin10100111001101010…
…01000110011010110
31001222000111110002201
422130311020303112
5140440101004344
65053243155114
7545032601224
oct123465106326
931860443081
1011221109974
11483902a008
122211b15a9a
13109a993359
147863c9b14
1545a1b84d4
hex29cd48cd6

11221109974 has 8 divisors (see below), whose sum is σ = 16836192288. Its totient is φ = 5609045880.

The previous prime is 11221109971. The next prime is 11221110001. The reversal of 11221109974 is 47990112211.

It is a happy number.

11221109974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221109971) 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 3 ways as a sum of consecutive naturals, for example, 745237 + ... + 760144.

It is an arithmetic number, because the mean of its divisors is an integer number (2104524036).

Almost surely, 211221109974 is an apocalyptic number.

11221109974 is a deficient number, since it is larger than the sum of its proper divisors (5615082314).

11221109974 is a wasteful number, since it uses less digits than its factorization.

11221109974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509110.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 11221109974 in words is "eleven billion, two hundred twenty-one million, one hundred nine thousand, nine hundred seventy-four".

Divisors: 1 2 3727 7454 1505381 3010762 5610554987 11221109974