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300231200221 = 325992123719
BaseRepresentation
bin1000101111001110010…
…11001000110111011101
31001200221121222012211021
410113213023020313131
514404333141401341
6345531352324141
730456003044431
oct4274713106735
91050847865737
10300231200221
1110636675a467
124a22a9a3651
13224089bb284
1410761b269c1
157c22b2c9d1
hex45e72c8ddd

300231200221 has 4 divisors (see below), whose sum is σ = 300323327200. Its totient is φ = 300139073244.

The previous prime is 300231200201. The next prime is 300231200239. The reversal of 300231200221 is 122002132003.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122002132003 = 373297354919.

It is a cyclic number.

It is not a de Polignac number, because 300231200221 - 229 = 299694329309 is a prime.

It is a super-2 number, since 2×3002312002212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300231200195 and 300231200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300231200201) 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, 46058601 + ... + 46065118.

It is an arithmetic number, because the mean of its divisors is an integer number (75080831800).

Almost surely, 2300231200221 is an apocalyptic number.

It is an amenable number.

300231200221 is a deficient number, since it is larger than the sum of its proper divisors (92126979).

300231200221 is an equidigital number, since it uses as much as digits as its factorization.

300231200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92126978.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 300231200221 its reverse (122002132003), we get a palindrome (422233332224).

The spelling of 300231200221 in words is "three hundred billion, two hundred thirty-one million, two hundred thousand, two hundred twenty-one".

Divisors: 1 3259 92123719 300231200221