Base | Representation |
---|---|
bin | 1011111110010000… |
… | …1100111101101111 |
3 | 22021222120222211212 |
4 | 2333210030331233 |
5 | 23040232013133 |
6 | 1250525505035 |
7 | 142434012134 |
oct | 27744147557 |
9 | 8258528755 |
10 | 3213938543 |
11 | 13aa203662 |
12 | 75841217b |
13 | 3c2b0bcaa |
14 | 226bb658b |
15 | 13c253148 |
hex | bf90cf6f |
3213938543 has 4 divisors (see below), whose sum is σ = 3324764040. Its totient is φ = 3103113048.
The previous prime is 3213938531. The next prime is 3213938549. The reversal of 3213938543 is 3458393123.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3458393123 = 6833 ⋅506131.
It is a cyclic number.
It is not a de Polignac number, because 3213938543 - 24 = 3213938527 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3213938543.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3213938549) 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, 55412705 + ... + 55412762.
It is an arithmetic number, because the mean of its divisors is an integer number (831191010).
Almost surely, 23213938543 is an apocalyptic number.
3213938543 is a deficient number, since it is larger than the sum of its proper divisors (110825497).
3213938543 is a wasteful number, since it uses less digits than its factorization.
3213938543 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110825496.
The product of its digits is 233280, while the sum is 41.
The square root of 3213938543 is about 56691.6091057574. The cubic root of 3213938543 is about 1475.7490850654.
The spelling of 3213938543 in words is "three billion, two hundred thirteen million, nine hundred thirty-eight thousand, five hundred forty-three".
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