Base | Representation |
---|---|
bin | 10011010100100110… |
… | …011000010101110100 |
3 | 1222112212120120021210 |
4 | 103110212120111310 |
5 | 314442123401043 |
6 | 13310401441420 |
7 | 1333060020156 |
oct | 232446302564 |
9 | 58485516253 |
10 | 20746700148 |
11 | 8886a75989 |
12 | 4030040270 |
13 | 1c582b8445 |
14 | 100b538ad6 |
15 | 8165b5633 |
hex | 4d4998574 |
20746700148 has 12 divisors (see below), whose sum is σ = 48408967040. Its totient is φ = 6915566712.
The previous prime is 20746700129. The next prime is 20746700209. The reversal of 20746700148 is 84100764702.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864445828 + ... + 864445851.
Almost surely, 220746700148 is an apocalyptic number.
It is an amenable number.
20746700148 is an abundant number, since it is smaller than the sum of its proper divisors (27662266892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20746700148 is a wasteful number, since it uses less digits than its factorization.
20746700148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1728891686 (or 1728891684 counting only the distinct ones).
The product of its (nonzero) digits is 75264, while the sum is 39.
The spelling of 20746700148 in words is "twenty billion, seven hundred forty-six million, seven hundred thousand, one hundred forty-eight".
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