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300021111031 = 1274186356431
BaseRepresentation
bin1000101110110101010…
…01101101100011110111
31001200101222122120122011
410113122221231203313
514403420401023111
6345454445345051
730450542236465
oct4273251554367
91050358576564
10300021111031
11106269106334
124a190568187
13223a4310945
1410741c79835
157c0e47e021
hex45daa6d8f7

300021111031 has 8 divisors (see below), whose sum is σ = 302396063744. Its totient is φ = 297646355160.

The previous prime is 300021111017. The next prime is 300021111073. The reversal of 300021111031 is 130111120003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 300021111031 - 27 = 300021110903 is a prime.

It is a super-2 number, since 2×3000211110312 (a number of 24 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 (300021111331) 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 7 ways as a sum of consecutive naturals, for example, 5288386 + ... + 5344816.

It is an arithmetic number, because the mean of its divisors is an integer number (37799507968).

Almost surely, 2300021111031 is an apocalyptic number.

300021111031 is a deficient number, since it is larger than the sum of its proper divisors (2374952713).

300021111031 is a wasteful number, since it uses less digits than its factorization.

300021111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98421.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 300021111031 its reverse (130111120003), we get a palindrome (430132231034).

The spelling of 300021111031 in words is "three hundred billion, twenty-one million, one hundred eleven thousand, thirty-one".

Divisors: 1 127 41863 56431 5316601 7166737 2362370953 300021111031