Search a number
-
+
2205881421356 = 22171311973125509
BaseRepresentation
bin100000000110011000110…
…001110100111000101100
321210212202200001200211002
4200012120301310320230
5242120121120440411
64405211250215432
7315240540466064
oct40063061647054
97725680050732
102205881421356
11780566611998
122b7621284578
13130024202312
1478a9db143a4
153c5a796533b
hex20198c74e2c

2205881421356 has 48 divisors (see below), whose sum is σ = 4120690099680. Its totient is φ = 1029607388160.

The previous prime is 2205881421347. The next prime is 2205881421383. The reversal of 2205881421356 is 6531241885022.

It is a self number, because there is not a number n which added to its sum of digits gives 2205881421356.

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 15 ways as a sum of consecutive naturals, for example, 17512730 + ... + 17638238.

It is an arithmetic number, because the mean of its divisors is an integer number (85847710410).

Almost surely, 22205881421356 is an apocalyptic number.

It is an amenable number.

2205881421356 is a deficient number, since it is larger than the sum of its proper divisors (1914808678324).

2205881421356 is a wasteful number, since it uses less digits than its factorization.

2205881421356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127634 (or 127632 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 2205881421356 in words is "two trillion, two hundred five billion, eight hundred eighty-one million, four hundred twenty-one thousand, three hundred fifty-six".

Divisors: 1 2 4 17 34 68 131 262 524 1973 2227 3946 4454 7892 8908 33541 67082 125509 134164 251018 258463 502036 516926 1033852 2133653 4267306 4393871 8534612 8787742 16441679 17575484 32883358 65766716 247629257 279508543 495258514 559017086 990517028 1118034172 4209697369 8419394738 16838789476 32439432667 64878865334 129757730668 551470355339 1102940710678 2205881421356