Search a number
-
+
2215144000550 = 252132262147219
BaseRepresentation
bin100000001111000000110…
…111110000110000100110
321211202200012020110202202
4200033000313300300212
5242243103331004200
64413342331334502
7316016222223125
oct40170067606046
97752605213682
102215144000550
1178448a048818
122b93872b1432
13130b6c1aa800
14792dbd5babc
153c94ac0d1d5
hex203c0df0c26

2215144000550 has 36 divisors (see below), whose sum is σ = 4461483537180. Its totient is φ = 817899320160.

The previous prime is 2215144000547. The next prime is 2215144000561. The reversal of 2215144000550 is 550004415122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 131065160 + ... + 131082059.

It is an arithmetic number, because the mean of its divisors is an integer number (123930098255).

Almost surely, 22215144000550 is an apocalyptic number.

2215144000550 is an abundant number, since it is smaller than the sum of its proper divisors (2246339536630).

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

2215144000550 is a wasteful number, since it uses less digits than its factorization.

2215144000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262147257 (or 262147239 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 2215144000550 its reverse (550004415122), we get a palindrome (2765148415672).

The spelling of 2215144000550 in words is "two trillion, two hundred fifteen billion, one hundred forty-four million, five hundred fifty", and thus it is an aban number.

Divisors: 1 2 5 10 13 25 26 50 65 130 169 325 338 650 845 1690 4225 8450 262147219 524294438 1310736095 2621472190 3407913847 6553680475 6815827694 13107360950 17039569235 34079138470 44302880011 85197846175 88605760022 170395692350 221514400055 443028800110 1107572000275 2215144000550