Search a number
-
+
13004223144 = 2331149258421
BaseRepresentation
bin11000001110001110…
…01011001010101000
31020120021201222112020
430013013023022220
5203113040120034
65550221344440
7640154034003
oct140707131250
936507658466
1013004223144
1155735aa360
12262b108120
1312c321ccc3
148b514853a
155119d8249
hex3071cb2a8

13004223144 has 32 divisors (see below), whose sum is σ = 35466063840. Its totient is φ = 3940673600.

The previous prime is 13004223103. The next prime is 13004223203. The reversal of 13004223144 is 44132240031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24628947 + ... + 24629474.

It is an arithmetic number, because the mean of its divisors is an integer number (1108314495).

Almost surely, 213004223144 is an apocalyptic number.

It is an amenable number.

13004223144 is an abundant number, since it is smaller than the sum of its proper divisors (22461840696).

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

13004223144 is a wasteful number, since it uses less digits than its factorization.

13004223144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49258441 (or 49258437 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13004223144 its reverse (44132240031), we get a palindrome (57136463175).

The spelling of 13004223144 in words is "thirteen billion, four million, two hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 49258421 98516842 147775263 197033684 295550526 394067368 541842631 591101052 1083685262 1182202104 1625527893 2167370524 3251055786 4334741048 6502111572 13004223144