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20100210102011 = 131679258503041
BaseRepresentation
bin1001001000111111100011…
…11000100000111011111011
32122011120011012110010200102
410210133301320200323323
510113310212241231021
6110425524204230015
74143122641600454
oct444376170407373
978146135403612
1020100210102011
11644a4a6655966
12230767b83b30b
13b2a5984a68a0
144d6bd917012b
1524ccbc77300b
hex1247f1e20efb

20100210102011 has 8 divisors (see below), whose sum is σ = 21775999154784. Its totient is φ = 18442938055680.

The previous prime is 20100210101977. The next prime is 20100210102041. The reversal of 20100210102011 is 11020101200102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20100210102011 is a prime.

It is a super-2 number, since 2×201002101020112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20100210101983 and 20100210102001.

It is not an unprimeable number, because it can be changed into a prime (20100210102041) 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, 4629249350 + ... + 4629253691.

It is an arithmetic number, because the mean of its divisors is an integer number (2721999894348).

Almost surely, 220100210102011 is an apocalyptic number.

20100210102011 is a deficient number, since it is larger than the sum of its proper divisors (1675789052773).

20100210102011 is a wasteful number, since it uses less digits than its factorization.

20100210102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9258503221.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20100210102011 its reverse (11020101200102), we get a palindrome (31120311302113).

The spelling of 20100210102011 in words is "twenty trillion, one hundred billion, two hundred ten million, one hundred two thousand, eleven".

Divisors: 1 13 167 2171 9258503041 120360539533 1546170007847 20100210102011