Search a number
-
+
311394019410 = 236542715229
BaseRepresentation
bin1001000100000001000…
…01111010100001010010
31002202202120210012000000
410202000201322201102
520100213332110120
6355015154310430
731332430330665
oct4420041724122
91082676705000
10311394019410
11110074895771
1250425288416
1323497582626
141110049b6dc
158177b2e990
hex488087a852

311394019410 has 56 divisors (see below), whose sum is σ = 840379435020. Its totient is φ = 83038403232.

The previous prime is 311394019397. The next prime is 311394019429. The reversal of 311394019410 is 14910493113.

311394019410 is a `hidden beast` number, since 31 + 139 + 401 + 94 + 1 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 311253525801 + 140493609 = 557901^2 + 11853^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 21350325 + ... + 21364904.

Almost surely, 2311394019410 is an apocalyptic number.

311394019410 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311394019410 is an abundant number, since it is smaller than the sum of its proper divisors (528985415610).

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

311394019410 is an equidigital number, since it uses as much as digits as its factorization.

311394019410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42715254 (or 42715239 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 311394019410 in words is "three hundred eleven billion, three hundred ninety-four million, nineteen thousand, four hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 729 810 1215 1458 2430 3645 7290 42715229 85430458 128145687 213576145 256291374 384437061 427152290 640728435 768874122 1153311183 1281456870 1922185305 2306622366 3459933549 3844370610 5766555915 6919867098 10379800647 11533111830 17299667745 20759601294 31139401941 34599335490 51899003235 62278803882 103798006470 155697009705 311394019410