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121035530 = 25711157189
BaseRepresentation
bin1110011011011…
…01101100001010
322102202020112102
413031231230022
5221441114110
620002113402
72666533160
oct715555412
9272666472
10121035530
1162359870
123464b862
131c0ca375
1412109230
15a95c5a5
hex736db0a

121035530 has 32 divisors (see below), whose sum is σ = 271624320. Its totient is φ = 37725120.

The previous prime is 121035521. The next prime is 121035553. The reversal of 121035530 is 35530121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77825 + ... + 79364.

It is an arithmetic number, because the mean of its divisors is an integer number (8488260).

Almost surely, 2121035530 is an apocalyptic number.

121035530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121035530 is an abundant number, since it is smaller than the sum of its proper divisors (150588790).

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

121035530 is a wasteful number, since it uses less digits than its factorization.

121035530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157214.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 121035530 is about 11001.6148814617. The cubic root of 121035530 is about 494.6571512915.

Adding to 121035530 its reverse (35530121), we get a palindrome (156565651).

The spelling of 121035530 in words is "one hundred twenty-one million, thirty-five thousand, five hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 157189 314378 785945 1100323 1571890 1729079 2200646 3458158 5501615 8645395 11003230 12103553 17290790 24207106 60517765 121035530