Search a number
-
+
30213030001 = 7211314094421
BaseRepresentation
bin11100001000110101…
…100100000001110001
32212222121010221121011
4130020311210001301
5443334013430001
621514002030521
72116464342400
oct341065440161
985877127534
1030213030001
11118a4516690
125a32348441
132b0656215b
14166885d637
15bbc6a8d51
hex708d64071

30213030001 has 48 divisors (see below), whose sum is σ = 39683381760. Its totient is φ = 22722336000.

The previous prime is 30213029993. The next prime is 30213030007. The reversal of 30213030001 is 10003031203.

It is not a de Polignac number, because 30213030001 - 23 = 30213029993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30213030007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6831771 + ... + 6836191.

It is an arithmetic number, because the mean of its divisors is an integer number (826737120).

Almost surely, 230213030001 is an apocalyptic number.

30213030001 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30213030001 is a deficient number, since it is larger than the sum of its proper divisors (9470351759).

30213030001 is a wasteful number, since it uses less digits than its factorization.

30213030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4886 (or 4879 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30213030001 its reverse (10003031203), we get a palindrome (40216061204).

The spelling of 30213030001 in words is "thirty billion, two hundred thirteen million, thirty thousand, one".

Divisors: 1 7 11 31 49 77 217 341 409 539 1519 2387 2863 4421 4499 12679 16709 20041 30947 31493 48631 88753 137051 139469 216629 220451 340417 621271 959357 976283 1507561 1808189 2382919 6715499 6833981 10552927 12657323 19890079 56053859 73870489 88601261 139230553 392377013 616592449 974613871 2746639091 4316147143 30213030001