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121313852 = 22112757133
BaseRepresentation
bin1110011101100…
…01101000111100
322110021101022122
413032301220330
5222024020402
620012102112
73002102462
oct716615074
9273241278
10121313852
1162529990
1234764938
131c196c5a
141217c832
15a9b4ca2
hex73b1a3c

121313852 has 12 divisors (see below), whose sum is σ = 231599256. Its totient is φ = 55142640.

The previous prime is 121313837. The next prime is 121313867. The reversal of 121313852 is 258313121.

It is an interprime number because it is at equal distance from previous prime (121313837) and next prime (121313867).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378523 + ... + 1378610.

It is an arithmetic number, because the mean of its divisors is an integer number (19299938).

Almost surely, 2121313852 is an apocalyptic number.

It is an amenable number.

121313852 is a deficient number, since it is larger than the sum of its proper divisors (110285404).

121313852 is a wasteful number, since it uses less digits than its factorization.

121313852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757148 (or 2757146 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 121313852 is about 11014.2567611256. The cubic root of 121313852 is about 495.0360168331.

Adding to 121313852 its reverse (258313121), we get a palindrome (379626973).

The spelling of 121313852 in words is "one hundred twenty-one million, three hundred thirteen thousand, eight hundred fifty-two".

Divisors: 1 2 4 11 22 44 2757133 5514266 11028532 30328463 60656926 121313852