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20012120302 = 246721426253
BaseRepresentation
bin10010101000110100…
…001011100011101110
31220122200100001011211
4102220310023203232
5311441100322202
613105441105034
71305630134026
oct225064134356
956580301154
1020012120302
11853a3581a9
123a6602817a
131b6c05c605
14d7bb5ca86
157c1d621d7
hex4a8d0b8ee

20012120302 has 8 divisors (see below), whose sum is σ = 30082460616. Its totient is φ = 9984633432.

The previous prime is 20012120269. The next prime is 20012120351. The reversal of 20012120302 is 20302121002.

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

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 3 ways as a sum of consecutive naturals, for example, 10712193 + ... + 10714060.

It is an arithmetic number, because the mean of its divisors is an integer number (3760307577).

Almost surely, 220012120302 is an apocalyptic number.

20012120302 is a deficient number, since it is larger than the sum of its proper divisors (10070340314).

20012120302 is a wasteful number, since it uses less digits than its factorization.

20012120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21426722.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20012120302 its reverse (20302121002), we get a palindrome (40314241304).

The spelling of 20012120302 in words is "twenty billion, twelve million, one hundred twenty thousand, three hundred two".

Divisors: 1 2 467 934 21426253 42852506 10006060151 20012120302