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315092247445 = 5179738216161
BaseRepresentation
bin1001001010111001111…
…01100010001110010101
31010010022022122122010201
410211130331202032111
520130302103404240
6400430144220501
731523164624633
oct4453475421625
91103268578121
10315092247445
111116a23a5178
125109790a731
1323936805841
14113716da353
1582e2645d9a
hex495cf62395

315092247445 has 16 divisors (see below), whose sum is σ = 404479858608. Its totient is φ = 234800087040.

The previous prime is 315092247427. The next prime is 315092247473. The reversal of 315092247445 is 544742290513.

It can be written as a sum of positive squares in 8 ways, for example, as 64866916 + 315027380529 = 8054^2 + 561273^2 .

It is not a de Polignac number, because 315092247445 - 29 = 315092246933 is a prime.

It is a super-2 number, since 2×3150922474452 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315092247395 and 315092247404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19099836 + ... + 19116325.

It is an arithmetic number, because the mean of its divisors is an integer number (25279991163).

Almost surely, 2315092247445 is an apocalyptic number.

It is an amenable number.

315092247445 is a deficient number, since it is larger than the sum of its proper divisors (89387611163).

315092247445 is a wasteful number, since it uses less digits than its factorization.

315092247445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38216280.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 315092247445 in words is "three hundred fifteen billion, ninety-two million, two hundred forty-seven thousand, four hundred forty-five".

Divisors: 1 5 17 85 97 485 1649 8245 38216161 191080805 649674737 3248373685 3706967617 18534838085 63018449489 315092247445