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304231124421 = 3371609688489
BaseRepresentation
bin1000110110101011001…
…01101000110111000101
31002002021101112102022000
410123111211220313011
514441031131440141
6351432320455513
730660062614140
oct4332545506705
91062241472260
10304231124421
111080295a1744
124ab6647a599
13228c55b4323
1410a2105b057
157da8d8a5b6
hex46d5968dc5

304231124421 has 16 divisors (see below), whose sum is σ = 515100316800. Its totient is φ = 173846356704.

The previous prime is 304231124419. The next prime is 304231124429. The reversal of 304231124421 is 124421132403.

304231124421 is a `hidden beast` number, since 3 + 0 + 4 + 231 + 1 + 2 + 4 + 421 = 666.

It is not a de Polignac number, because 304231124421 - 21 = 304231124419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304231124429) 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, 804844056 + ... + 804844433.

It is an arithmetic number, because the mean of its divisors is an integer number (32193769800).

Almost surely, 2304231124421 is an apocalyptic number.

It is an amenable number.

304231124421 is a deficient number, since it is larger than the sum of its proper divisors (210869192379).

304231124421 is a wasteful number, since it uses less digits than its factorization.

304231124421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609688505 (or 1609688499 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 304231124421 its reverse (124421132403), we get a palindrome (428652256824).

The spelling of 304231124421 in words is "three hundred four billion, two hundred thirty-one million, one hundred twenty-four thousand, four hundred twenty-one".

Divisors: 1 3 7 9 21 27 63 189 1609688489 4829065467 11267819423 14487196401 33803458269 43461589203 101410374807 304231124421