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30211233110321 = 226927313313177
BaseRepresentation
bin1101101111010000110011…
…10100010101100100110001
310221222011110210001120110112
412313220121310111210301
512424440101134012241
6144130503205511105
76235455343245044
oct667503164254461
9127864423046415
1030211233110321
11969856a5382aa
12347b180a12495
1313b1ba3a63963
1476633529cc5b
15375ce44d71eb
hex1b7a19d15931

30211233110321 has 4 divisors (see below), whose sum is σ = 30211248692772. Its totient is φ = 30211217527872.

The previous prime is 30211233110263. The next prime is 30211233110381. The reversal of 30211233110321 is 12301133211203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11106815970721 + 19104417139600 = 3332689^2 + 4370860^2 .

It is a cyclic number.

It is not a de Polignac number, because 30211233110321 - 218 = 30211232848177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30211233110381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4387316 + ... + 8925861.

It is an arithmetic number, because the mean of its divisors is an integer number (7552812173193).

Almost surely, 230211233110321 is an apocalyptic number.

It is an amenable number.

30211233110321 is a deficient number, since it is larger than the sum of its proper divisors (15582451).

30211233110321 is a wasteful number, since it uses less digits than its factorization.

30211233110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15582450.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 30211233110321 its reverse (12301133211203), we get a palindrome (42512366321524).

The spelling of 30211233110321 in words is "thirty trillion, two hundred eleven billion, two hundred thirty-three million, one hundred ten thousand, three hundred twenty-one".

Divisors: 1 2269273 13313177 30211233110321