Base | Representation |
---|---|
bin | 110010111101100110… |
… | …111000110001101001 |
3 | 12020020120122100022021 |
4 | 302331212320301221 |
5 | 1344031444223101 |
6 | 41045514224441 |
7 | 3645013144051 |
oct | 627546706151 |
9 | 166216570267 |
10 | 54720695401 |
11 | 21230451409 |
12 | a731a25121 |
13 | 5210a98608 |
14 | 2911688561 |
15 | 16540295a1 |
hex | cbd9b8c69 |
54720695401 has 2 divisors, whose sum is σ = 54720695402. Its totient is φ = 54720695400.
The previous prime is 54720695389. The next prime is 54720695417. The reversal of 54720695401 is 10459602745.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28387195225 + 26333500176 = 168485^2 + 162276^2 .
It is a cyclic number.
It is not a de Polignac number, because 54720695401 - 27 = 54720695273 is a prime.
It is not a weakly prime, because it can be changed into another prime (54720695101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27360347700 + 27360347701.
It is an arithmetic number, because the mean of its divisors is an integer number (27360347701).
Almost surely, 254720695401 is an apocalyptic number.
It is an amenable number.
54720695401 is a deficient number, since it is larger than the sum of its proper divisors (1).
54720695401 is an equidigital number, since it uses as much as digits as its factorization.
54720695401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 302400, while the sum is 43.
The spelling of 54720695401 in words is "fifty-four billion, seven hundred twenty million, six hundred ninety-five thousand, four hundred one".
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