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3030023213 = 74711637919
BaseRepresentation
bin1011010010011010…
…0111110000101101
321211011112010102222
42310212213300231
522201141220323
61220355525125
7135041525630
oct26446476055
97734463388
103030023213
111315407318
127068b97a5
13393996c59
1420a5bdc17
1512b0249c8
hexb49a7c2d

3030023213 has 16 divisors (see below), whose sum is σ = 3540049920. Its totient is φ = 2539397616.

The previous prime is 3030023189. The next prime is 3030023219. The reversal of 3030023213 is 3123200303.

It is not a de Polignac number, because 3030023213 - 218 = 3029761069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3030023191 and 3030023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030023219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378668 + ... + 386586.

It is an arithmetic number, because the mean of its divisors is an integer number (221253120).

Almost surely, 23030023213 is an apocalyptic number.

It is an amenable number.

3030023213 is a deficient number, since it is larger than the sum of its proper divisors (510026707).

3030023213 is a wasteful number, since it uses less digits than its factorization.

3030023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9136.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 3030023213 is about 55045.6466307736. The cubic root of 3030023213 is about 1447.0448275968.

Adding to 3030023213 its reverse (3123200303), we get a palindrome (6153223516).

The spelling of 3030023213 in words is "three billion, thirty million, twenty-three thousand, two hundred thirteen".

Divisors: 1 7 47 329 1163 7919 8141 54661 55433 372193 382627 2605351 9209797 64468579 432860459 3030023213