Search a number
-
+
30213242012 = 2283262134721
BaseRepresentation
bin11100001000110110…
…010111110010011100
32212222121112201102102
4130020312113302130
5443334042221022
621514010344232
72116466214452
oct341066276234
985877481372
1030213242012
11118a46509a8
125a3242b078
132b066077c5
1416688b69d2
15bbc6eba92
hex708d97c9c

30213242012 has 24 divisors (see below), whose sum is σ = 53532157392. Its totient is φ = 14918489600.

The previous prime is 30213242011. The next prime is 30213242023. The reversal of 30213242012 is 21024231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213242011) 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, 852812 + ... + 887532.

It is an arithmetic number, because the mean of its divisors is an integer number (2230506558).

Almost surely, 230213242012 is an apocalyptic number.

It is an amenable number.

30213242012 is a deficient number, since it is larger than the sum of its proper divisors (23318915380).

30213242012 is a wasteful number, since it uses less digits than its factorization.

30213242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37429 (or 37427 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30213242012 its reverse (21024231203), we get a palindrome (51237473215).

The spelling of 30213242012 in words is "thirty billion, two hundred thirteen million, two hundred forty-two thousand, twelve".

Divisors: 1 2 4 83 166 332 2621 5242 10484 34721 69442 138884 217543 435086 870172 2881843 5763686 11527372 91003741 182007482 364014964 7553310503 15106621006 30213242012