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121608275 = 5215730983
BaseRepresentation
bin1110011111110…
…01100001010011
322110211100012012
413033321201103
5222112431100
620022253135
73004440035
oct717714123
9273740165
10121608275
1162710108
12348871ab
131c26ac79
1412217c55
15aa22135
hex73f9853

121608275 has 12 divisors (see below), whose sum is σ = 151759632. Its totient is φ = 96663840.

The previous prime is 121608229. The next prime is 121608299. The reversal of 121608275 is 572806121.

It is not a de Polignac number, because 121608275 - 26 = 121608211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11567 + ... + 19416.

It is an arithmetic number, because the mean of its divisors is an integer number (12646636).

Almost surely, 2121608275 is an apocalyptic number.

121608275 is a deficient number, since it is larger than the sum of its proper divisors (30151357).

121608275 is a wasteful number, since it uses less digits than its factorization.

121608275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31150 (or 31145 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 121608275 is about 11027.6142025372. The cubic root of 121608275 is about 495.4361696490.

The spelling of 121608275 in words is "one hundred twenty-one million, six hundred eight thousand, two hundred seventy-five".

Divisors: 1 5 25 157 785 3925 30983 154915 774575 4864331 24321655 121608275