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20010300102 = 235134779853
BaseRepresentation
bin10010101000101101…
…001111001011000110
31220122112220120100000
4102220231033023012
5311440114100402
613105334102130
71305605513232
oct225055171306
956575816300
1020010300102
118539324701
123a654aa946
131b6b872c80
14d7b8075c2
157c1b02c1c
hex4a8b4f2c6

20010300102 has 192 divisors, whose sum is σ = 50134855680. Its totient is φ = 5942761344.

The previous prime is 20010300073. The next prime is 20010300133. The reversal of 20010300102 is 20100301002.

It is a happy number.

It is a super-2 number, since 2×200103001022 (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 congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23458308 + ... + 23459160.

It is an arithmetic number, because the mean of its divisors is an integer number (261119040).

Almost surely, 220010300102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010300102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25067427840).

20010300102 is an abundant number, since it is smaller than the sum of its proper divisors (30124555578).

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

20010300102 is a wasteful number, since it uses less digits than its factorization.

20010300102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 997 counting only the distinct ones).

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

Adding to 20010300102 its reverse (20100301002), we get a palindrome (40110601104).

The spelling of 20010300102 in words is "twenty billion, ten million, three hundred thousand, one hundred two".