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330240012021 = 32120293305033
BaseRepresentation
bin1001100111000111101…
…01101010111011110101
31011120101222211210201100
410303203311222323311
520402312420341041
6411413221320313
732600440533603
oct4634365527365
91146358753640
10330240012021
11118065971977
1254004866099
13251abb4a14a
1411dab3c6873
1588cc3e76b6
hex4ce3d6aef5

330240012021 has 12 divisors (see below), whose sum is σ = 477018879948. Its totient is φ = 220157456064.

The previous prime is 330240011957. The next prime is 330240012041. The reversal of 330240012021 is 120210042033.

It can be written as a sum of positive squares in 2 ways, for example, as 139479840900 + 190760171121 = 373470^2 + 436761^2 .

It is not a de Polignac number, because 330240012021 - 26 = 330240011957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330240011985 and 330240012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330240012041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 930121 + ... + 1235153.

It is an arithmetic number, because the mean of its divisors is an integer number (39751573329).

Almost surely, 2330240012021 is an apocalyptic number.

It is an amenable number.

330240012021 is a deficient number, since it is larger than the sum of its proper divisors (146778867927).

330240012021 is a wasteful number, since it uses less digits than its factorization.

330240012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425332 (or 425329 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 330240012021 its reverse (120210042033), we get a palindrome (450450054054).

The spelling of 330240012021 in words is "three hundred thirty billion, two hundred forty million, twelve thousand, twenty-one".

Divisors: 1 3 9 120293 305033 360879 915099 1082637 2745297 36693334669 110080004007 330240012021