Search a number
-
+
13444400316 = 2234079274667
BaseRepresentation
bin11001000010101100…
…10100010010111100
31021200222000022002110
430201112110102330
5210013231302231
610102024054020
7654110342244
oct144126242274
937628008073
1013444400316
11577a016a46
122732604310
13136348a979
149177aab24
1553a486046
hex3215944bc

13444400316 has 24 divisors (see below), whose sum is σ = 31378072320. Its totient is φ = 4480351792.

The previous prime is 13444400303. The next prime is 13444400317. The reversal of 13444400316 is 61300444431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444400317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88386 + ... + 186281.

It is an arithmetic number, because the mean of its divisors is an integer number (1307419680).

Almost surely, 213444400316 is an apocalyptic number.

It is an amenable number.

13444400316 is an abundant number, since it is smaller than the sum of its proper divisors (17933672004).

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

13444400316 is a wasteful number, since it uses less digits than its factorization.

13444400316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278753 (or 278751 counting only the distinct ones).

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

Adding to 13444400316 its reverse (61300444431), we get a palindrome (74744844747).

The spelling of 13444400316 in words is "thirteen billion, four hundred forty-four million, four hundred thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 4079 8158 12237 16316 24474 48948 274667 549334 824001 1098668 1648002 3296004 1120366693 2240733386 3361100079 4481466772 6722200158 13444400316