Search a number
-
+
2002444040240 = 245731115348159
BaseRepresentation
bin11101001000111010111…
…101110011100000110000
321002102122202201221212222
4131020322331303200300
5230302001133241430
64131524325140212
7264446300334560
oct35107275634060
97072582657788
102002444040240
11702260503456
1228410655a668
13116aa29cc827
146ccc12d4da0
153714c8529e5
hex1d23af73830

2002444040240 has 80 divisors (see below), whose sum is σ = 5492417986560. Its totient is φ = 664405390080.

The previous prime is 2002444040183. The next prime is 2002444040287. The reversal of 2002444040240 is 420404442002.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57656720 + ... + 57691439.

It is an arithmetic number, because the mean of its divisors is an integer number (68655224832).

Almost surely, 22002444040240 is an apocalyptic number.

2002444040240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002444040240 is an abundant number, since it is smaller than the sum of its proper divisors (3489973946320).

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

2002444040240 is a wasteful number, since it uses less digits than its factorization.

2002444040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115348210 (or 115348204 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2002444040240 its reverse (420404442002), we get a palindrome (2422848482242).

The spelling of 2002444040240 in words is "two trillion, two billion, four hundred forty-four million, forty thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 31 35 40 56 62 70 80 112 124 140 155 217 248 280 310 434 496 560 620 868 1085 1240 1736 2170 2480 3472 4340 8680 17360 115348159 230696318 461392636 576740795 807437113 922785272 1153481590 1614874226 1845570544 2306963180 3229748452 3575792929 4037185565 4613926360 6459496904 7151585858 8074371130 9227852720 12918993808 14303171716 16148742260 17878964645 25030550503 28606343432 32297484520 35757929290 50061101006 57212686864 64594969040 71515858580 100122202012 125152752515 143031717160 200244404024 250305505030 286063434320 400488808048 500611010060 1001222020120 2002444040240