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13440222324 = 2233373363419
BaseRepresentation
bin11001000010001100…
…11000010001110100
31021200200011000222000
430201012120101310
5210011144103244
610101354335300
7654030001434
oct144106302164
937620130860
1013440222324
115777722a61
12273112a530
131362657099
149170002c4
15539e0d169
hex321198474

13440222324 has 48 divisors (see below), whose sum is σ = 35786788800. Its totient is φ = 4358989728.

The previous prime is 13440222317. The next prime is 13440222377. The reversal of 13440222324 is 42322204431.

13440222324 is a `hidden beast` number, since 1 + 34 + 402 + 223 + 2 + 4 = 666.

It is a super-2 number, since 2×134402223242 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1677714 + ... + 1685705.

It is an arithmetic number, because the mean of its divisors is an integer number (745558100).

Almost surely, 213440222324 is an apocalyptic number.

It is an amenable number.

13440222324 is an abundant number, since it is smaller than the sum of its proper divisors (22346566476).

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

13440222324 is a wasteful number, since it uses less digits than its factorization.

13440222324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363469 (or 3363461 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 13440222324 its reverse (42322204431), we get a palindrome (55762426755).

The spelling of 13440222324 in words is "thirteen billion, four hundred forty million, two hundred twenty-two thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 37 54 74 108 111 148 222 333 444 666 999 1332 1998 3996 3363419 6726838 10090257 13453676 20180514 30270771 40361028 60541542 90812313 121083084 124446503 181624626 248893006 363249252 373339509 497786012 746679018 1120018527 1493358036 2240037054 3360055581 4480074108 6720111162 13440222324