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304142520005 = 560828504001
BaseRepresentation
bin1000110110100000100…
…11101000111011000101
31002002001012210211212222
410123100103220323011
514440340441120010
6351415433422125
730654635523212
oct4332023507305
91062035724788
10304142520005
11107a93583955
124ab4086a945
13228b013068c
1410a13394b09
157da11d7355
hex46d04e8ec5

304142520005 has 4 divisors (see below), whose sum is σ = 364971024012. Its totient is φ = 243314016000.

The previous prime is 304142519983. The next prime is 304142520089. The reversal of 304142520005 is 500025241403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500025241403 = 821609044143.

It can be written as a sum of positive squares in 2 ways, for example, as 206419383556 + 97723136449 = 454334^2 + 312607^2 .

It is a de Polignac number, because none of the positive numbers 2k-304142520005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30414251996 + ... + 30414252005.

It is an arithmetic number, because the mean of its divisors is an integer number (91242756003).

Almost surely, 2304142520005 is an apocalyptic number.

It is an amenable number.

304142520005 is a deficient number, since it is larger than the sum of its proper divisors (60828504007).

304142520005 is an equidigital number, since it uses as much as digits as its factorization.

304142520005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60828504006.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 304142520005 its reverse (500025241403), we get a palindrome (804167761408).

The spelling of 304142520005 in words is "three hundred four billion, one hundred forty-two million, five hundred twenty thousand, five".

Divisors: 1 5 60828504001 304142520005