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319815132484 = 22172166332
BaseRepresentation
bin1001010011101100111…
…01111010010101000100
31010120111110121001102211
410221312131322111010
520214440133214414
6402530540113204
732051213526031
oct4516635722504
91116443531384
10319815132484
111136a6339651
1251b95535804
132420a119c83
141169ca64388
1584bc0ae3c4
hex4a7677a544

319815132484 has 27 divisors (see below), whose sum is σ = 594570971127. Its totient is φ = 150492190464.

The previous prime is 319815132479. The next prime is 319815132491. The reversal of 319815132484 is 484231518913.

It is a happy number.

The square root of 319815132484 is 565522.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3431382084 + 316383750400 = 58578^2 + 562480^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19219432 + ... + 19236064.

Almost surely, 2319815132484 is an apocalyptic number.

319815132484 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

319815132484 is the 565522-nd square number.

It is an amenable number.

319815132484 is a deficient number, since it is larger than the sum of its proper divisors (274755838643).

319815132484 is an frugal number, since it uses more digits than its factorization.

319815132484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33304 (or 16652 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

Multiplying 319815132484 by its sum of digits (49), we get a square (15670941491716 = 39586542).

The spelling of 319815132484 in words is "three hundred nineteen billion, eight hundred fifteen million, one hundred thirty-two thousand, four hundred eighty-four".

Divisors: 1 2 4 17 34 68 289 578 1156 16633 33266 66532 282761 565522 1131044 4806937 9613874 19227748 276656689 553313378 1106626756 4703163713 9406327426 18812654852 79953783121 159907566242 319815132484