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121234414244 = 221710317309311
BaseRepresentation
bin111000011101000100…
…0100101101010100100
3102120221000221100111112
41300322020211222210
53441242002223434
6131405550124152
711521205342516
oct1607210455244
9376830840445
10121234414244
1147462736889
121b5b51b0658
13b580b6aab8
145c21273bb6
15324853cdce
hex1c3a225aa4

121234414244 has 24 divisors (see below), whose sum is σ = 226821224448. Its totient is φ = 56497587840.

The previous prime is 121234414241. The next prime is 121234414271. The reversal of 121234414244 is 442414432121.

It is a self number, because there is not a number n which added to its sum of digits gives 121234414244.

It is not an unprimeable number, because it can be changed into a prime (121234414241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8647652 + ... + 8661659.

It is an arithmetic number, because the mean of its divisors is an integer number (9450884352).

Almost surely, 2121234414244 is an apocalyptic number.

It is an amenable number.

121234414244 is a deficient number, since it is larger than the sum of its proper divisors (105586810204).

121234414244 is a wasteful number, since it uses less digits than its factorization.

121234414244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17309435 (or 17309433 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

Adding to 121234414244 its reverse (442414432121), we get a palindrome (563648846365).

The spelling of 121234414244 in words is "one hundred twenty-one billion, two hundred thirty-four million, four hundred fourteen thousand, two hundred forty-four".

Divisors: 1 2 4 17 34 68 103 206 412 1751 3502 7004 17309311 34618622 69237244 294258287 588516574 1177033148 1782859033 3565718066 7131436132 30308603561 60617207122 121234414244