Base | Representation |
---|---|
bin | 10011010011101111… |
… | …101010010100001000 |
3 | 1222111212120210121102 |
4 | 103103233222110020 |
5 | 314424440341343 |
6 | 13305130200532 |
7 | 1332524055101 |
oct | 232357522410 |
9 | 58455523542 |
10 | 20732355848 |
11 | 8879968896 |
12 | 4027283148 |
13 | 1c553353a9 |
14 | 10096833a8 |
15 | 8151d03b8 |
hex | 4d3bea508 |
20732355848 has 32 divisors (see below), whose sum is σ = 42949388160. Its totient is φ = 9332209920.
The previous prime is 20732355841. The next prime is 20732355851. The reversal of 20732355848 is 84855323702.
It is not an unprimeable number, because it can be changed into a prime (20732355841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3310868 + ... + 3317123.
It is an arithmetic number, because the mean of its divisors is an integer number (1342168380).
Almost surely, 220732355848 is an apocalyptic number.
It is an amenable number.
20732355848 is an abundant number, since it is smaller than the sum of its proper divisors (22217032312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20732355848 is a wasteful number, since it uses less digits than its factorization.
20732355848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6628037 (or 6628033 counting only the distinct ones).
The product of its (nonzero) digits is 1612800, while the sum is 47.
The spelling of 20732355848 in words is "twenty billion, seven hundred thirty-two million, three hundred fifty-five thousand, eight hundred forty-eight".
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