Base | Representation |
---|---|
bin | 10011011111101101… |
… | …011101101101001110 |
3 | 2000000212022222202010 |
4 | 103133231131231032 |
5 | 320332333402020 |
6 | 13341101042050 |
7 | 1340512320021 |
oct | 233755355516 |
9 | 60025288663 |
10 | 20933106510 |
11 | 8972213828 |
12 | 4082556326 |
13 | 1c87ac3274 |
14 | 10281bd1b8 |
15 | 827b36de0 |
hex | 4dfb5db4e |
20933106510 has 32 divisors (see below), whose sum is σ = 50491929600. Its totient is φ = 5554109088.
The previous prime is 20933106503. The next prime is 20933106527. The reversal of 20933106510 is 1560133902.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1747222 + ... + 1759161.
It is an arithmetic number, because the mean of its divisors is an integer number (1577872800).
Almost surely, 220933106510 is an apocalyptic number.
20933106510 is an abundant number, since it is smaller than the sum of its proper divisors (29558823090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20933106510 is a wasteful number, since it uses less digits than its factorization.
20933106510 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3506592.
The product of its (nonzero) digits is 4860, while the sum is 30.
The spelling of 20933106510 in words is "twenty billion, nine hundred thirty-three million, one hundred six thousand, five hundred ten".
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