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121012652 = 2230253163
BaseRepresentation
bin1110011011010…
…00000110101100
322102201002011002
413031220012230
5221434401102
620001415432
72666406365
oct715500654
9272632132
10121012652
1162343662
123463a578
131c0bcb27
1412100b6c
15a955902
hex73681ac

121012652 has 6 divisors (see below), whose sum is σ = 211772148. Its totient is φ = 60506324.

The previous prime is 121012651. The next prime is 121012663. The reversal of 121012652 is 256210121.

It is not an unprimeable number, because it can be changed into a prime (121012651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15126578 + ... + 15126585.

It is an arithmetic number, because the mean of its divisors is an integer number (35295358).

Almost surely, 2121012652 is an apocalyptic number.

It is an amenable number.

121012652 is a deficient number, since it is larger than the sum of its proper divisors (90759496).

121012652 is a wasteful number, since it uses less digits than its factorization.

121012652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30253167 (or 30253165 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 121012652 is about 11000.5750758767. The cubic root of 121012652 is about 494.6259828145.

Adding to 121012652 its reverse (256210121), we get a palindrome (377222773).

The spelling of 121012652 in words is "one hundred twenty-one million, twelve thousand, six hundred fifty-two".

Divisors: 1 2 4 30253163 60506326 121012652