Base | Representation |
---|---|
bin | 10010101000001001… |
… | …110011110110000100 |
3 | 1220121220102201222212 |
4 | 102220021303312010 |
5 | 311430224404444 |
6 | 13104403042552 |
7 | 1305433543421 |
oct | 225011636604 |
9 | 56556381885 |
10 | 20001013124 |
11 | 8534061214 |
12 | 3a62370458 |
13 | 1b69970b11 |
14 | d7a4aad48 |
15 | 7c0dbb19e |
hex | 4a8273d84 |
20001013124 has 24 divisors (see below), whose sum is σ = 35087052000. Its totient is φ = 9976167360.
The previous prime is 20001013117. The next prime is 20001013183. The reversal of 20001013124 is 42131010002.
It is a junction number, because it is equal to n+sod(n) for n = 20001013099 and 20001013108.
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, 5797352 + ... + 5800800.
It is an arithmetic number, because the mean of its divisors is an integer number (1461960500).
Almost surely, 220001013124 is an apocalyptic number.
It is an amenable number.
20001013124 is a deficient number, since it is larger than the sum of its proper divisors (15086038876).
20001013124 is a wasteful number, since it uses less digits than its factorization.
20001013124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6563 (or 6561 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 20001013124 its reverse (42131010002), we get a palindrome (62132023126).
The spelling of 20001013124 in words is "twenty billion, one million, thirteen thousand, one hundred twenty-four".
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