Base | Representation |
---|---|
bin | 10010101101000110… |
… | …010011110100100111 |
3 | 1220211200112222100122 |
4 | 102231012103310213 |
5 | 312112444402412 |
6 | 13120525232155 |
7 | 1310462012144 |
oct | 225506236447 |
9 | 56750488318 |
10 | 20083981607 |
11 | 857697a708 |
12 | 3a8610265b |
13 | 1b80c003b1 |
14 | d875073cb |
15 | 7c8309572 |
hex | 4ad193d27 |
20083981607 has 2 divisors, whose sum is σ = 20083981608. Its totient is φ = 20083981606.
The previous prime is 20083981583. The next prime is 20083981649. The reversal of 20083981607 is 70618938002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20083981607 - 216 = 20083916071 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20083981657) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041990803 + 10041990804.
It is an arithmetic number, because the mean of its divisors is an integer number (10041990804).
Almost surely, 220083981607 is an apocalyptic number.
20083981607 is a deficient number, since it is larger than the sum of its proper divisors (1).
20083981607 is an equidigital number, since it uses as much as digits as its factorization.
20083981607 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 145152, while the sum is 44.
The spelling of 20083981607 in words is "twenty billion, eighty-three million, nine hundred eighty-one thousand, six hundred seven".
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