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20100203010 = 23252337673917
BaseRepresentation
bin10010101110000100…
…001100001000000010
31220212211002002221100
4102232010030020002
5312131122444020
613122305035230
71311046622646
oct225604141002
956784062840
1020100203010
11858504a028
123a8b625b16
131b8438c964
14d8972ac26
157c9960a90
hex4ae10c202

20100203010 has 192 divisors, whose sum is σ = 56857012992. Its totient is φ = 4912731648.

The previous prime is 20100203009. The next prime is 20100203017. The reversal of 20100203010 is 1030200102.

It is a happy number.

It is a super-2 number, since 2×201002030102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20100202983 and 20100203001.

It is not an unprimeable number, because it can be changed into a prime (20100203017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5129572 + ... + 5133488.

It is an arithmetic number, because the mean of its divisors is an integer number (296130276).

Almost surely, 220100203010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20100203010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28428506496).

20100203010 is an abundant number, since it is smaller than the sum of its proper divisors (36756809982).

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

20100203010 is a wasteful number, since it uses less digits than its factorization.

20100203010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057 (or 4054 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20100203010 its reverse (1030200102), we get a palindrome (21130403112).

The spelling of 20100203010 in words is "twenty billion, one hundred million, two hundred three thousand, ten".