Search a number
-
+
315302314340 = 2251311171085677
BaseRepresentation
bin1001001011010010111…
…10111000000101100100
31010010211221221010202002
410211221132320011210
520131214343024330
6400503050504432
731531325310566
oct4455136700544
91103757833662
10315302314340
1111179aa33582
1251136135118
132396b1a5c90
141139157d336
158305cdce45
hex49697b8164

315302314340 has 48 divisors (see below), whose sum is σ = 713707346352. Its totient is φ = 116314983936.

The previous prime is 315302314321. The next prime is 315302314373. The reversal of 315302314340 is 43413203513.

It can be written as a sum of positive squares in 8 ways, for example, as 92995722304 + 222306592036 = 304952^2 + 471494^2 .

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, 252419 + ... + 833258.

It is an arithmetic number, because the mean of its divisors is an integer number (14868903049).

Almost surely, 2315302314340 is an apocalyptic number.

It is an amenable number.

315302314340 is an abundant number, since it is smaller than the sum of its proper divisors (398405032012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315302314340 is a wasteful number, since it uses less digits than its factorization.

315302314340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086816 (or 1086814 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 315302314340 its reverse (43413203513), we get a palindrome (358715517853).

The spelling of 315302314340 in words is "three hundred fifteen billion, three hundred two million, three hundred fourteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1117 2234 4468 5585 11170 14521 22340 29042 58084 72605 145210 290420 1085677 2171354 4342708 5428385 10856770 14113801 21713540 28227602 56455204 70569005 141138010 282276020 1212701209 2425402418 4850804836 6063506045 12127012090 15765115717 24254024180 31530231434 63060462868 78825578585 157651157170 315302314340