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20100210100122 = 239734536443471
BaseRepresentation
bin1001001000111111100011…
…11000100000011110011010
32122011120011012110001002110
410210133301320200132122
510113310212241200442
6110425524204213150
74143122641562115
oct444376170403632
978146135401073
1020100210100122
11644a4a66544a9
12230767b83a1b6
13b2a5984a5a79
144d6bd916d57c
1524ccbc77269c
hex1247f1e2079a

20100210100122 has 16 divisors (see below), whose sum is σ = 40614857523072. Its totient is φ = 6630997146240.

The previous prime is 20100210100121. The next prime is 20100210100127. The reversal of 20100210100122 is 22100101200102.

It is a super-2 number, since 2×201002101001222 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20100210100098 and 20100210100107.

It is not an unprimeable number, because it can be changed into a prime (20100210100121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17268221154 + ... + 17268222317.

It is an arithmetic number, because the mean of its divisors is an integer number (2538428595192).

Almost surely, 220100210100122 is an apocalyptic number.

20100210100122 is an abundant number, since it is smaller than the sum of its proper divisors (20514647422950).

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

20100210100122 is a wasteful number, since it uses less digits than its factorization.

20100210100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34536443573.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20100210100122 its reverse (22100101200102), we get a palindrome (42200311300224).

The spelling of 20100210100122 in words is "twenty trillion, one hundred billion, two hundred ten million, one hundred thousand, one hundred twenty-two".

Divisors: 1 2 3 6 97 194 291 582 34536443471 69072886942 103609330413 207218660826 3350035016687 6700070033374 10050105050061 20100210100122