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30212032213 = 112746548383
BaseRepresentation
bin11100001000110001…
…110000011011010101
32212222112021020220001
4130020301300123111
5443333240012323
621513524411301
72116453015366
oct341061603325
985875236801
1030212032213
11118a39a4a70
125a31b46b31
132b062a2c4c
14166867db6d
15bbc55d3ad
hex708c706d5

30212032213 has 4 divisors (see below), whose sum is σ = 32958580608. Its totient is φ = 27465483820.

The previous prime is 30212032129. The next prime is 30212032219. The reversal of 30212032213 is 31223021203.

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 30212032213 - 229 = 29675161301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212032219) 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, 1373274181 + ... + 1373274202.

It is an arithmetic number, because the mean of its divisors is an integer number (8239645152).

Almost surely, 230212032213 is an apocalyptic number.

It is an amenable number.

30212032213 is a deficient number, since it is larger than the sum of its proper divisors (2746548395).

30212032213 is a wasteful number, since it uses less digits than its factorization.

30212032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746548394.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30212032213 its reverse (31223021203), we get a palindrome (61435053416).

The spelling of 30212032213 in words is "thirty billion, two hundred twelve million, thirty-two thousand, two hundred thirteen".

Divisors: 1 11 2746548383 30212032213