Base | Representation |
---|---|
bin | 10010111101100010… |
… | …010000011001100000 |
3 | 1221112220110002222020 |
4 | 102331202100121200 |
5 | 313144043234242 |
6 | 13204135541440 |
7 | 1320350650344 |
oct | 227542203140 |
9 | 57486402866 |
10 | 20359743072 |
11 | 86a85a9349 |
12 | 3b4252a880 |
13 | 1bc6092766 |
14 | db1dab624 |
15 | 7e262b6ec |
hex | 4bd890660 |
20359743072 has 24 divisors (see below), whose sum is σ = 53444325816. Its totient is φ = 6786580992.
The previous prime is 20359743023. The next prime is 20359743091. The reversal of 20359743072 is 27034795302.
It is a tau number, because it is divible by the number of its divisors (24).
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, 106040233 + ... + 106040424.
It is an arithmetic number, because the mean of its divisors is an integer number (2226846909).
Almost surely, 220359743072 is an apocalyptic number.
It is an amenable number.
20359743072 is an abundant number, since it is smaller than the sum of its proper divisors (33084582744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20359743072 is a wasteful number, since it uses less digits than its factorization.
20359743072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212080670 (or 212080662 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 42.
The spelling of 20359743072 in words is "twenty billion, three hundred fifty-nine million, seven hundred forty-three thousand, seventy-two".
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