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20103202030 = 2511833169891
BaseRepresentation
bin10010101110001111…
…101000010011101110
31220220000201110211011
4102232033220103232
5312132404431110
613122453215434
71311114253312
oct225617502356
956800643734
1020103202030
11858680825a
123a9063157a
131b84b9ca22
14d89cabb42
157c9d5448a
hex4ae3e84ee

20103202030 has 16 divisors (see below), whose sum is σ = 36189034704. Its totient is φ = 8040553920.

The previous prime is 20103202019. The next prime is 20103202033. The reversal of 20103202030 is 3020230102.

It is a happy number.

It is a super-2 number, since 2×201032020302 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20103202030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103202033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33385 + ... + 203275.

It is an arithmetic number, because the mean of its divisors is an integer number (2261814669).

Almost surely, 220103202030 is an apocalyptic number.

20103202030 is a deficient number, since it is larger than the sum of its proper divisors (16085832674).

20103202030 is a wasteful number, since it uses less digits than its factorization.

20103202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181731.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20103202030 its reverse (3020230102), we get a palindrome (23123432132).

The spelling of 20103202030 in words is "twenty billion, one hundred three million, two hundred two thousand, thirty".

Divisors: 1 2 5 10 11833 23666 59165 118330 169891 339782 849455 1698910 2010320203 4020640406 10051601015 20103202030