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20103033221405 = 517832849473171
BaseRepresentation
bin1001001001000100110100…
…01001110111000100011101
32122011211102221122110102222
410210202122021313010131
510113332003001041110
6110431112253355125
74143252621656321
oct444423211670435
978154387573388
1020103033221405
116450715194292
122308129198aa5
13b2a92833a034
144d6dc6091981
1524cdd5527c55
hex12489a27711d

20103033221405 has 16 divisors (see below), whose sum is σ = 25850420616384. Its totient is φ = 14954035196160.

The previous prime is 20103033221377. The next prime is 20103033221413. The reversal of 20103033221405 is 50412233030102.

It is a happy number.

It is not a de Polignac number, because 20103033221405 - 216 = 20103033155869 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1424729531 + ... + 1424743640.

It is an arithmetic number, because the mean of its divisors is an integer number (1615651288524).

Almost surely, 220103033221405 is an apocalyptic number.

It is an amenable number.

20103033221405 is a deficient number, since it is larger than the sum of its proper divisors (5747387394979).

20103033221405 is a wasteful number, since it uses less digits than its factorization.

20103033221405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849473276.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 20103033221405 its reverse (50412233030102), we get a palindrome (70515266251507).

The spelling of 20103033221405 in words is "twenty trillion, one hundred three billion, thirty-three million, two hundred twenty-one thousand, four hundred five".

Divisors: 1 5 17 83 85 415 1411 7055 2849473171 14247365855 48441043907 236506273193 242205219535 1182531365965 4020606644281 20103033221405