Search a number
-
+
312202214431302 = 231325469915714991
BaseRepresentation
bin100011011111100100011111…
…0000101101101101001000110
31111221102020111010011010211010
41012333020332011231221012
5311410110113343300202
63023555414535223050
7122521602626012406
oct10677107605555106
91457366433133733
10312202214431302
1190528240a51538
122b022a69b17a86
1310528708b28a40
14571494c64c806
15261616932176c
hex11bf23e16da46

312202214431302 has 32 divisors (see below), whose sum is σ = 672438221683200. Its totient is φ = 96061836552480.

The previous prime is 312202214431267. The next prime is 312202214431363. The reversal of 312202214431302 is 203134412202213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 312202214431302.

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, 12009027 + ... + 27724017.

It is an arithmetic number, because the mean of its divisors is an integer number (21013694427600).

Almost surely, 2312202214431302 is an apocalyptic number.

312202214431302 is an abundant number, since it is smaller than the sum of its proper divisors (360236007251898).

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

312202214431302 is a wasteful number, since it uses less digits than its factorization.

312202214431302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15969708.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 312202214431302 its reverse (203134412202213), we get a palindrome (515336626633515).

The spelling of 312202214431302 in words is "three hundred twelve trillion, two hundred two billion, two hundred fourteen million, four hundred thirty-one thousand, three hundred two".

Divisors: 1 2 3 6 13 26 39 78 254699 509398 764097 1528194 3311087 6622174 9933261 15714991 19866522 31429982 47144973 94289946 204294883 408589766 612884649 1225769298 4002592492709 8005184985418 12007777478127 24015554956254 52033702405217 104067404810434 156101107215651 312202214431302