Base | Representation |
---|---|
bin | 10011000011001011… |
… | …101111011010100101 |
3 | 1221210111202110122222 |
4 | 103003023233122211 |
5 | 313342323112401 |
6 | 13221403002125 |
7 | 1322611262513 |
oct | 230313573245 |
9 | 57714673588 |
10 | 20454504101 |
11 | 8747041749 |
12 | 3b6a209345 |
13 | 1c0c8c0785 |
14 | dc07d74b3 |
15 | 7eaae8c1b |
hex | 4c32ef6a5 |
20454504101 has 8 divisors (see below), whose sum is σ = 20563386624. Its totient is φ = 20345820480.
The previous prime is 20454504089. The next prime is 20454504127. The reversal of 20454504101 is 10140545402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20454504101 - 214 = 20454487717 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20454504001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158810 + ... + 257156.
It is an arithmetic number, because the mean of its divisors is an integer number (2570423328).
Almost surely, 220454504101 is an apocalyptic number.
It is an amenable number.
20454504101 is a deficient number, since it is larger than the sum of its proper divisors (108882523).
20454504101 is an equidigital number, since it uses as much as digits as its factorization.
20454504101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99451.
The product of its (nonzero) digits is 3200, while the sum is 26.
The spelling of 20454504101 in words is "twenty billion, four hundred fifty-four million, five hundred four thousand, one hundred one".
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