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121110032 = 2429261013
BaseRepresentation
bin1110011011111…
…11111000010000
322102220000201202
413031333320100
5222001010112
620003450332
73000263321
oct715777020
9272800652
10121110032
11623aa83a
12346869a8
131c125254
1412128448
15a9746c2
hex737fe10

121110032 has 20 divisors (see below), whose sum is σ = 242743020. Its totient is φ = 58466688.

The previous prime is 121109959. The next prime is 121110037. The reversal of 121110032 is 230011121.

It can be written as a sum of positive squares in 2 ways, for example, as 44302336 + 76807696 = 6656^2 + 8764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121109995 and 121110022.

It is not an unprimeable number, because it can be changed into a prime (121110037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130043 + ... + 130970.

It is an arithmetic number, because the mean of its divisors is an integer number (12137151).

Almost surely, 2121110032 is an apocalyptic number.

It is an amenable number.

121110032 is an abundant number, since it is smaller than the sum of its proper divisors (121632988).

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

121110032 is a wasteful number, since it uses less digits than its factorization.

121110032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261050 (or 261044 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 121110032 is about 11005.0003180373. Note that the first 3 decimals coincide. The cubic root of 121110032 is about 494.7586239423.

Adding to 121110032 its reverse (230011121), we get a palindrome (351121153).

The spelling of 121110032 in words is "one hundred twenty-one million, one hundred ten thousand, thirty-two".

Divisors: 1 2 4 8 16 29 58 116 232 464 261013 522026 1044052 2088104 4176208 7569377 15138754 30277508 60555016 121110032