Search a number
-
+
316161256424 = 2313127148316141
BaseRepresentation
bin1001001100111001010…
…11011110101111101000
31010020001211011220202212
410212130223132233220
520134444240201144
6401124212544252
731561525224116
oct4463453365750
91106054156685
10316161256424
111120a0872472
1251335922088
1323a77125430
141143368cab6
15835640949e
hex499cadebe8

316161256424 has 64 divisors (see below), whose sum is σ = 643903088640. Its totient is φ = 144665015040.

The previous prime is 316161256391. The next prime is 316161256447. The reversal of 316161256424 is 424652161613.

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, 19579394 + ... + 19595534.

It is an arithmetic number, because the mean of its divisors is an integer number (10060985760).

Almost surely, 2316161256424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316161256424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321951544320).

316161256424 is an abundant number, since it is smaller than the sum of its proper divisors (327741832216).

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

316161256424 is a wasteful number, since it uses less digits than its factorization.

316161256424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17770 (or 17766 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The spelling of 316161256424 in words is "three hundred sixteen billion, one hundred sixty-one million, two hundred fifty-six thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 127 254 508 1016 1483 1651 2966 3302 5932 6604 11864 13208 16141 19279 32282 38558 64564 77116 129128 154232 188341 209833 376682 419666 753364 839332 1506728 1678664 2049907 2448433 4099814 4896866 8199628 9793732 16399256 19587464 23937103 26648791 47874206 53297582 95748412 106595164 191496824 213190328 311182339 622364678 1244729356 2489458712 3040012081 6080024162 12160048324 24320096648 39520157053 79040314106 158080628212 316161256424