Search a number
-
+
20441550355305 = 35103115491145621
BaseRepresentation
bin1001010010111011010110…
…10110001111101101101001
32200101012012210100121210220
410221131223112033231221
510134403243342332210
6111250415114400253
74206565450066002
oct451355326175551
980335183317726
1020441550355305
1165712382a1352
122361861a30089
13b53825c47921
1450953a87c1a9
15256ae940ac70
hex12976b58fb69

20441550355305 has 32 divisors (see below), whose sum is σ = 33026907513600. Its totient is φ = 10795369724160.

The previous prime is 20441550355279. The next prime is 20441550355339. The reversal of 20441550355305 is 50355305514402.

It is not a de Polignac number, because 20441550355305 - 214 = 20441550338921 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17270395 + ... + 18416015.

It is an arithmetic number, because the mean of its divisors is an integer number (1032090859800).

Almost surely, 220441550355305 is an apocalyptic number.

It is an amenable number.

20441550355305 is a deficient number, since it is larger than the sum of its proper divisors (12585357158295).

20441550355305 is a wasteful number, since it uses less digits than its factorization.

20441550355305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157281.

The product of its (nonzero) digits is 900000, while the sum is 42.

Adding to 20441550355305 its reverse (50355305514402), we get a palindrome (70796855869707).

The spelling of 20441550355305 in words is "twenty trillion, four hundred forty-one billion, five hundred fifty million, three hundred fifty-five thousand, three hundred five".

Divisors: 1 3 5 15 103 309 515 1545 11549 34647 57745 173235 1145621 1189547 3436863 3568641 5728105 5947735 17184315 17843205 117998963 353996889 589994815 1769984445 13230776929 39692330787 66153884645 198461653935 1362770023687 4088310071061 6813850118435 20441550355305