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30453112213 = 280310864471
BaseRepresentation
bin11100010111001001…
…011001110110010101
32220121022220101110221
4130113021121312111
5444331444042323
621553455514341
72125441116466
oct342711316625
986538811427
1030453112213
1111a07a95a37
125a9a8289b1
132b44211534
14168c6b6d6d
15bd37ce55d
hex717259d95

30453112213 has 4 divisors (see below), whose sum is σ = 30463979488. Its totient is φ = 30442244940.

The previous prime is 30453112181. The next prime is 30453112223. The reversal of 30453112213 is 31221135403.

It is a happy number.

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 30453112213 - 25 = 30453112181 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 (30453112223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5429433 + ... + 5435038.

It is an arithmetic number, because the mean of its divisors is an integer number (7615994872).

Almost surely, 230453112213 is an apocalyptic number.

It is an amenable number.

30453112213 is a deficient number, since it is larger than the sum of its proper divisors (10867275).

30453112213 is a wasteful number, since it uses less digits than its factorization.

30453112213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10867274.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 30453112213 its reverse (31221135403), we get a palindrome (61674247616).

The spelling of 30453112213 in words is "thirty billion, four hundred fifty-three million, one hundred twelve thousand, two hundred thirteen".

Divisors: 1 2803 10864471 30453112213