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304312111243 = 782952440481
BaseRepresentation
bin1000110110110100110…
…10100101000010001011
31002002111000220222022221
410123122122211002023
514441212400024433
6351444332354511
730662065160260
oct4333232450213
91062430828287
10304312111243
111080702872a8
124ab89615a37
13229092cb91a
1410a2badd267
157db103672d
hex46da6a508b

304312111243 has 8 divisors (see below), whose sum is σ = 348204800480. Its totient is φ = 260524304640.

The previous prime is 304312111231. The next prime is 304312111253. The reversal of 304312111243 is 342111213403.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-304312111243 is a prime.

It is a super-2 number, since 2×3043121112432 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304312111253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26214438 + ... + 26226043.

It is an arithmetic number, because the mean of its divisors is an integer number (43525600060).

Almost surely, 2304312111243 is an apocalyptic number.

304312111243 is a deficient number, since it is larger than the sum of its proper divisors (43892689237).

304312111243 is an equidigital number, since it uses as much as digits as its factorization.

304312111243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52441317.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 304312111243 its reverse (342111213403), we get a palindrome (646423324646).

The spelling of 304312111243 in words is "three hundred four billion, three hundred twelve million, one hundred eleven thousand, two hundred forty-three".

Divisors: 1 7 829 5803 52440481 367083367 43473158749 304312111243