Base | Representation |
---|---|
bin | 1111110010100000101… |
… | …01001010011001111100 |
3 | 1220212022201001120111121 |
4 | 13321100111022121330 |
5 | 32342031440313340 |
6 | 1053121033200324 |
7 | 54123664356340 |
oct | 7712025123174 |
9 | 1825281046447 |
10 | 542513604220 |
11 | 19a0958715a5 |
12 | 891868600a4 |
13 | 3c20abb39c3 |
14 | 1c387583620 |
15 | e1a313194a |
hex | 7e5054a67c |
542513604220 has 48 divisors (see below), whose sum is σ = 1326599322048. Its totient is φ = 182495139840.
The previous prime is 542513604179. The next prime is 542513604233. The reversal of 542513604220 is 22406315245.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36550101 + ... + 36564940.
It is an arithmetic number, because the mean of its divisors is an integer number (27637485876).
Almost surely, 2542513604220 is an apocalyptic number.
It is an amenable number.
542513604220 is an abundant number, since it is smaller than the sum of its proper divisors (784085717828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542513604220 is a wasteful number, since it uses less digits than its factorization.
542513604220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73115110 (or 73115108 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 34.
Adding to 542513604220 its reverse (22406315245), we get a palindrome (564919919465).
The spelling of 542513604220 in words is "five hundred forty-two billion, five hundred thirteen million, six hundred four thousand, two hundred twenty".
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