Base | Representation |
---|---|
bin | 10011011011011001… |
… | …010111101111010011 |
3 | 1222211211010220021121 |
4 | 103123121113233103 |
5 | 320210321332243 |
6 | 13325553503111 |
7 | 1335643165516 |
oct | 233331275723 |
9 | 58754126247 |
10 | 20860730323 |
11 | 893537a4a4 |
12 | 4062271a97 |
13 | 1c75b02014 |
14 | 101c73cd7d |
15 | 8215dc1ed |
hex | 4db657bd3 |
20860730323 has 4 divisors (see below), whose sum is σ = 21052113280. Its totient is φ = 20669347368.
The previous prime is 20860730321. The next prime is 20860730353. The reversal of 20860730323 is 32303706802.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20860730323 - 21 = 20860730321 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20860730321) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95691315 + ... + 95691532.
It is an arithmetic number, because the mean of its divisors is an integer number (5263028320).
Almost surely, 220860730323 is an apocalyptic number.
20860730323 is a deficient number, since it is larger than the sum of its proper divisors (191382957).
20860730323 is a wasteful number, since it uses less digits than its factorization.
20860730323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191382956.
The product of its (nonzero) digits is 36288, while the sum is 34.
The spelling of 20860730323 in words is "twenty billion, eight hundred sixty million, seven hundred thirty thousand, three hundred twenty-three".
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