Base | Representation |
---|---|
bin | 10011001110111101… |
… | …110010101100101100 |
3 | 1222022021201010221221 |
4 | 103032331302230230 |
5 | 314243424032444 |
6 | 13253143433124 |
7 | 1330531404121 |
oct | 231675625454 |
9 | 58267633857 |
10 | 20652174124 |
11 | 88386830aa |
12 | 40044557a4 |
13 | 1c4184039a |
14 | ddcb70748 |
15 | 80d142a84 |
hex | 4cef72b2c |
20652174124 has 24 divisors (see below), whose sum is σ = 39200617008. Its totient is φ = 9481628160.
The previous prime is 20652174119. The next prime is 20652174133. The reversal of 20652174124 is 42147125602.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a self number, because there is not a number n which added to its sum of digits gives 20652174124.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700974 + ... + 3706549.
It is an arithmetic number, because the mean of its divisors is an integer number (1633359042).
Almost surely, 220652174124 is an apocalyptic number.
It is an amenable number.
20652174124 is a deficient number, since it is larger than the sum of its proper divisors (18548442884).
20652174124 is a wasteful number, since it uses less digits than its factorization.
20652174124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7407585 (or 7407583 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 34.
Adding to 20652174124 its reverse (42147125602), we get a palindrome (62799299726).
The spelling of 20652174124 in words is "twenty billion, six hundred fifty-two million, one hundred seventy-four thousand, one hundred twenty-four".
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