Search a number
-
+
316748780420 = 22516567955963
BaseRepresentation
bin1001001101111111011…
…00101101001110000100
31010021120202201020011212
410212333230231032010
520142200141433140
6401302401350552
731612221132062
oct4467754551604
91107522636155
10316748780420
11112372479996
125147a638458
1323b3ba73477
141148b709032
15838ccb0765
hex49bfb2d384

316748780420 has 24 divisors (see below), whose sum is σ = 665213285184. Its totient is φ = 126691731936.

The previous prime is 316748780389. The next prime is 316748780449. The reversal of 316748780420 is 24087847613.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146642 + ... + 809321.

It is an arithmetic number, because the mean of its divisors is an integer number (27717220216).

Almost surely, 2316748780420 is an apocalyptic number.

It is an amenable number.

316748780420 is an abundant number, since it is smaller than the sum of its proper divisors (348464504764).

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

316748780420 is a wasteful number, since it uses less digits than its factorization.

316748780420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972539 (or 972537 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 316748780420 in words is "three hundred sixteen billion, seven hundred forty-eight million, seven hundred eighty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 16567 33134 66268 82835 165670 331340 955963 1911926 3823852 4779815 9559630 19119260 15837439021 31674878042 63349756084 79187195105 158374390210 316748780420