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30143210413 = 283106513111
BaseRepresentation
bin11100000100101011…
…001110001110101101
32212210201202202010111
4130010223032032231
5443213130213123
621503025340021
72114656026631
oct340453161655
985721682114
1030143210413
1111869069148
125a12a97611
132ac4c577a4
14165d486dc1
15bb64b690d
hex704ace3ad

30143210413 has 4 divisors (see below), whose sum is σ = 30249723808. Its totient is φ = 30036697020.

The previous prime is 30143210411. The next prime is 30143210467. The reversal of 30143210413 is 31401234103.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31401234103 = 120112614373.

It is a cyclic number.

It is not a de Polignac number, because 30143210413 - 21 = 30143210411 is a prime.

It is a super-2 number, since 2×301432104132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143210411) 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, 53256273 + ... + 53256838.

It is an arithmetic number, because the mean of its divisors is an integer number (7562430952).

Almost surely, 230143210413 is an apocalyptic number.

It is an amenable number.

30143210413 is a deficient number, since it is larger than the sum of its proper divisors (106513395).

30143210413 is a wasteful number, since it uses less digits than its factorization.

30143210413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106513394.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30143210413 its reverse (31401234103), we get a palindrome (61544444516).

The spelling of 30143210413 in words is "thirty billion, one hundred forty-three million, two hundred ten thousand, four hundred thirteen".

Divisors: 1 283 106513111 30143210413