Search a number
-
+
30010041213 = 310003347071
BaseRepresentation
bin11011111100101111…
…001110001101111101
32212110110012001022220
4123330233032031331
5442430032304323
621441511155553
72111451066345
oct337457161575
985413161286
1030010041213
11117aa982159
125996375bb9
132aa349c649
1416498ddd25
15ba995e0e3
hex6fcbce37d

30010041213 has 4 divisors (see below), whose sum is σ = 40013388288. Its totient is φ = 20006694140.

The previous prime is 30010041179. The next prime is 30010041247. The reversal of 30010041213 is 31214001003.

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 an interprime number because it is at equal distance from previous prime (30010041179) and next prime (30010041247).

It is a cyclic number.

It is not a de Polignac number, because 30010041213 - 29 = 30010040701 is a prime.

It is a super-2 number, since 2×300100412132 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30010041192 and 30010041201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30010041713) 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, 5001673533 + ... + 5001673538.

It is an arithmetic number, because the mean of its divisors is an integer number (10003347072).

Almost surely, 230010041213 is an apocalyptic number.

It is an amenable number.

30010041213 is a deficient number, since it is larger than the sum of its proper divisors (10003347075).

30010041213 is a wasteful number, since it uses less digits than its factorization.

30010041213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003347074.

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

Adding to 30010041213 its reverse (31214001003), we get a palindrome (61224042216).

The spelling of 30010041213 in words is "thirty billion, ten million, forty-one thousand, two hundred thirteen".

Divisors: 1 3 10003347071 30010041213