Search a number
-
+
30212013102 = 2330517165001
BaseRepresentation
bin11100001000110001…
…101011110000101110
32212222112020021200020
4130020301223300232
5443333233404402
621513524143010
72116452605565
oct341061536056
985875207606
1030212013102
11118a3991677
125a31b37a66
132b0629733b
141668676bdc
15bbc5578bc
hex708c6bc2e

30212013102 has 16 divisors (see below), whose sum is σ = 60426372432. Its totient is φ = 10070280000.

The previous prime is 30212013079. The next prime is 30212013103. The reversal of 30212013102 is 20131021203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212013103) 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 7 ways as a sum of consecutive naturals, for example, 100602 + ... + 265602.

It is an arithmetic number, because the mean of its divisors is an integer number (3776648277).

Almost surely, 230212013102 is an apocalyptic number.

30212013102 is an abundant number, since it is smaller than the sum of its proper divisors (30214359330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30212013102 is a wasteful number, since it uses less digits than its factorization.

30212013102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195523.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30212013102 its reverse (20131021203), we get a palindrome (50343034305).

The spelling of 30212013102 in words is "thirty billion, two hundred twelve million, thirteen thousand, one hundred two".

Divisors: 1 2 3 6 30517 61034 91551 165001 183102 330002 495003 990006 5035335517 10070671034 15106006551 30212013102