Base | Representation |
---|---|
bin | 10011010100101101… |
… | …111100110110011110 |
3 | 1222120000022101120210 |
4 | 103110231330312132 |
5 | 314443130402302 |
6 | 13310512153250 |
7 | 1333112624064 |
oct | 232455746636 |
9 | 58500271523 |
10 | 20748684702 |
11 | 8888100a09 |
12 | 4030838826 |
13 | 1c58831835 |
14 | 100b8d4034 |
15 | 81685866c |
hex | 4d4b7cd9e |
20748684702 has 32 divisors (see below), whose sum is σ = 41965941024. Its totient is φ = 6838272000.
The previous prime is 20748684683. The next prime is 20748684709.
It is a happy number.
20748684702 is nontrivially palindromic in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20748684709) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600702 + ... + 634302.
It is an arithmetic number, because the mean of its divisors is an integer number (1311435657).
Almost surely, 220748684702 is an apocalyptic number.
20748684702 is an abundant number, since it is smaller than the sum of its proper divisors (21217256322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20748684702 is a wasteful number, since it uses less digits than its factorization.
20748684702 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34764.
The product of its (nonzero) digits is 1204224, while the sum is 48.
The spelling of 20748684702 in words is "twenty billion, seven hundred forty-eight million, six hundred eighty-four thousand, seven hundred two".
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