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300021220013 = 19109421934337
BaseRepresentation
bin1000101110110101010…
…10001000001010101101
31001200101222212010010112
410113122222020022231
514403420413020023
6345454451545405
730450543202304
oct4273252101255
91050358763115
10300021220013
111062691801a9
124a1905bb265
13223a434b428
1410741ca743b
157c0e4a1478
hex45daa882ad

300021220013 has 16 divisors (see below), whose sum is σ = 318793992000. Its totient is φ = 281548058112.

The previous prime is 300021219991. The next prime is 300021220021. The reversal of 300021220013 is 310022120003.

It is a happy number.

It is not a de Polignac number, because 300021220013 - 228 = 299752784557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 300021220013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300021220043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8720381 + ... + 8754717.

It is an arithmetic number, because the mean of its divisors is an integer number (19924624500).

Almost surely, 2300021220013 is an apocalyptic number.

It is an amenable number.

300021220013 is a deficient number, since it is larger than the sum of its proper divisors (18772771987).

300021220013 is a wasteful number, since it uses less digits than its factorization.

300021220013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38684.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 300021220013 its reverse (310022120003), we get a palindrome (610043340016).

The spelling of 300021220013 in words is "three hundred billion, twenty-one million, two hundred twenty thousand, thirteen".

Divisors: 1 19 109 2071 4219 34337 80161 459871 652403 3742733 8737549 71111927 144867803 2752488257 15790590527 300021220013