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315253302241 = 2931075949837
BaseRepresentation
bin1001001011001101000…
…11111010001111100001
31010010201112201001210011
410211212203322033201
520131114321132431
6400454140204521
731530161566303
oct4454643721741
91103645631704
10315253302241
111117752a8009
1251121839741
1323960ca5437
1411388c61973
15830185acb1
hex49668fa3e1

315253302241 has 4 divisors (see below), whose sum is σ = 316329252372. Its totient is φ = 314177352112.

The previous prime is 315253302239. The next prime is 315253302289. The reversal of 315253302241 is 142203352513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 223275150400 + 91978151841 = 472520^2 + 303279^2 .

It is a cyclic number.

It is not a de Polignac number, because 315253302241 - 21 = 315253302239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315253302841) 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, 537974626 + ... + 537975211.

It is an arithmetic number, because the mean of its divisors is an integer number (79082313093).

Almost surely, 2315253302241 is an apocalyptic number.

It is an amenable number.

315253302241 is a deficient number, since it is larger than the sum of its proper divisors (1075950131).

315253302241 is a wasteful number, since it uses less digits than its factorization.

315253302241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075950130.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 315253302241 its reverse (142203352513), we get a palindrome (457456654754).

The spelling of 315253302241 in words is "three hundred fifteen billion, two hundred fifty-three million, three hundred two thousand, two hundred forty-one".

Divisors: 1 293 1075949837 315253302241