Search a number
-
+
30233130020213 = 280311078560523
BaseRepresentation
bin1101101111111001100101…
…11110011010110101110101
310222001020222210221211220012
412313330302332122311311
512430314422241121323
6144144524100350005
76240162101021351
oct667746276326565
9128036883854805
1030233130020213
1196a68867a184a
1234834720a5305
1313b3c8342c783
14767411486461
15376676a50678
hex1b7f32f9ad75

30233130020213 has 4 divisors (see below), whose sum is σ = 30234208608768. Its totient is φ = 30232051431660.

The previous prime is 30233130020173. The next prime is 30233130020251. The reversal of 30233130020213 is 31202003133203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30233130020213 - 232 = 30228835052917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30233130025213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539252231 + ... + 539308292.

It is an arithmetic number, because the mean of its divisors is an integer number (7558552152192).

Almost surely, 230233130020213 is an apocalyptic number.

It is an amenable number.

30233130020213 is a deficient number, since it is larger than the sum of its proper divisors (1078588555).

30233130020213 is a wasteful number, since it uses less digits than its factorization.

30233130020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078588554.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30233130020213 its reverse (31202003133203), we get a palindrome (61435133153416).

The spelling of 30233130020213 in words is "thirty trillion, two hundred thirty-three billion, one hundred thirty million, twenty thousand, two hundred thirteen".

Divisors: 1 28031 1078560523 30233130020213