Base | Representation |
---|---|
bin | 1001011010101010100000… |
… | …11010000100011111110110 |
3 | 2201022121101100200010112010 |
4 | 10231111100122010133312 |
5 | 10203232211401023322 |
6 | 112012501510305050 |
7 | 4235026223526165 |
oct | 455252032043766 |
9 | 81277340603463 |
10 | 20707386345462 |
11 | 6663a5382a373 |
12 | 23a5291958186 |
13 | b7290cac709b |
14 | 51835852b3dc |
15 | 25d9a762020c |
hex | 12d5506847f6 |
20707386345462 has 32 divisors (see below), whose sum is σ = 41937369233760. Its totient is φ = 6815794947840.
The previous prime is 20707386345433. The next prime is 20707386345463. The reversal of 20707386345462 is 26454368370702.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20707386345463) 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, 53840239 + ... + 54223482.
It is an arithmetic number, because the mean of its divisors is an integer number (1310542788555).
Almost surely, 220707386345462 is an apocalyptic number.
20707386345462 is an abundant number, since it is smaller than the sum of its proper divisors (21229982888298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20707386345462 is a wasteful number, since it uses less digits than its factorization.
20707386345462 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108064128.
The product of its (nonzero) digits is 40642560, while the sum is 57.
The spelling of 20707386345462 in words is "twenty trillion, seven hundred seven billion, three hundred eighty-six million, three hundred forty-five thousand, four hundred sixty-two".
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