Base | Representation |
---|---|
bin | 1001010000100100011001… |
… | …01111101110100010000101 |
3 | 2200002110000200200021112222 |
4 | 10220102030233232202011 |
5 | 10132041304103222040 |
6 | 111145253143222125 |
7 | 4200666220034633 |
oct | 450221457564205 |
9 | 80073020607488 |
10 | 20360506304645 |
11 | 653a92a014591 |
12 | 234a004447945 |
13 | b48cab721470 |
14 | 50564d1aa353 |
15 | 254954458bb5 |
hex | 12848cbee885 |
20360506304645 has 16 divisors (see below), whose sum is σ = 26320083226752. Its totient is φ = 15030854061120.
The previous prime is 20360506304641. The next prime is 20360506304659. The reversal of 20360506304645 is 54640360506302.
It is not a de Polignac number, because 20360506304645 - 22 = 20360506304641 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20360506304596 and 20360506304605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20360506304641) 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, 47668547 + ... + 48093776.
It is an arithmetic number, because the mean of its divisors is an integer number (1645005201672).
Almost surely, 220360506304645 is an apocalyptic number.
It is an amenable number.
20360506304645 is a deficient number, since it is larger than the sum of its proper divisors (5959576922107).
20360506304645 is a wasteful number, since it uses less digits than its factorization.
20360506304645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95765612.
The product of its (nonzero) digits is 1555200, while the sum is 44.
The spelling of 20360506304645 in words is "twenty trillion, three hundred sixty billion, five hundred six million, three hundred four thousand, six hundred forty-five".
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