Base | Representation |
---|---|
bin | 10011001101001100… |
… | …101101101010000001 |
3 | 1222020012221010111220 |
4 | 103031030231222001 |
5 | 314213331444301 |
6 | 13250204225253 |
7 | 1330021423446 |
oct | 231514555201 |
9 | 58205833456 |
10 | 20622531201 |
11 | 8822976a18 |
12 | 3bb653b229 |
13 | 1c38661aac |
14 | dd8c559cd |
15 | 80a739936 |
hex | 4cd32da81 |
20622531201 has 32 divisors (see below), whose sum is σ = 29079388800. Its totient is φ = 12963962880.
The previous prime is 20622531197. The next prime is 20622531203. The reversal of 20622531201 is 10213522602.
It is not a de Polignac number, because 20622531201 - 22 = 20622531197 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20622531203) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14635585 + ... + 14636993.
It is an arithmetic number, because the mean of its divisors is an integer number (908730900).
Almost surely, 220622531201 is an apocalyptic number.
It is an amenable number.
20622531201 is a deficient number, since it is larger than the sum of its proper divisors (8456857599).
20622531201 is a wasteful number, since it uses less digits than its factorization.
20622531201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2449.
The product of its (nonzero) digits is 1440, while the sum is 24.
The spelling of 20622531201 in words is "twenty billion, six hundred twenty-two million, five hundred thirty-one thousand, two hundred one".
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