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20100120122102 = 219769687842041
BaseRepresentation
bin1001001000111111011001…
…00001010001001011110110
32122011112220221010200110012
410210133230201101023312
510113310021222401402
6110425511231500222
74143120500020406
oct444375441211366
978145827120405
1020100120122102
11644a45a8886a9
122307655687672
13b2a582960b37
144d6bcb22a806
1524ccb48ec452
hex1247ec8512f6

20100120122102 has 16 divisors (see below), whose sum is σ = 31778302340400. Its totient is φ = 9508728360960.

The previous prime is 20100120122063. The next prime is 20100120122141. The reversal of 20100120122102 is 20122102100102.

It is an interprime number because it is at equal distance from previous prime (20100120122063) and next prime (20100120122141).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343891799 + ... + 343950242.

It is an arithmetic number, because the mean of its divisors is an integer number (1986143896275).

Almost surely, 220100120122102 is an apocalyptic number.

20100120122102 is a deficient number, since it is larger than the sum of its proper divisors (11678182218298).

20100120122102 is a wasteful number, since it uses less digits than its factorization.

20100120122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687842831.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20100120122102 its reverse (20122102100102), we get a palindrome (40222222222204).

The spelling of 20100120122102 in words is "twenty trillion, one hundred billion, one hundred twenty million, one hundred twenty-two thousand, one hundred two".

Divisors: 1 2 19 38 769 1538 14611 29222 687842041 1375684082 13068998779 26137997558 528950529529 1057901059058 10050060061051 20100120122102