Base | Representation |
---|---|
bin | 1001001000000100111101… |
… | …11101001101111111101111 |
3 | 2122001112221222100101111211 |
4 | 10210002132331031333233 |
5 | 10112301302014231101 |
6 | 110403243000055251 |
7 | 4140630301605154 |
oct | 444023675157757 |
9 | 78045858311454 |
10 | 20068754055151 |
11 | 643812452231a |
12 | 2301561164527 |
13 | b2762456b4c9 |
14 | 4d54935c422b |
15 | 24c07add2c51 |
hex | 12409ef4dfef |
20068754055151 has 16 divisors (see below), whose sum is σ = 22043779511040. Its totient is φ = 18185628384000.
The previous prime is 20068754055127. The next prime is 20068754055173. The reversal of 20068754055151 is 15155045786002.
It is not a de Polignac number, because 20068754055151 - 239 = 19518998241263 is a prime.
It is a super-4 number, since 4×200687540551514 (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20068754055095 and 20068754055104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20068754055101) 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, 37457151 + ... + 37989151.
It is an arithmetic number, because the mean of its divisors is an integer number (1377736219440).
Almost surely, 220068754055151 is an apocalyptic number.
20068754055151 is a deficient number, since it is larger than the sum of its proper divisors (1975025455889).
20068754055151 is a wasteful number, since it uses less digits than its factorization.
20068754055151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 618366.
The product of its (nonzero) digits is 1680000, while the sum is 49.
The spelling of 20068754055151 in words is "twenty trillion, sixty-eight billion, seven hundred fifty-four million, fifty-five thousand, one hundred fifty-one".
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