Base | Representation |
---|---|
bin | 101110010011100110… |
… | …110111101101111001 |
3 | 11202100010222121021022 |
4 | 232103212313231321 |
5 | 1303312044040242 |
6 | 34501435152225 |
7 | 3410064132641 |
oct | 562346675571 |
9 | 152303877238 |
10 | 49721080697 |
11 | 1a0a5287932 |
12 | 97775a5675 |
13 | 48c5043212 |
14 | 2599687521 |
15 | 146014c0d2 |
hex | b939b7b79 |
49721080697 has 2 divisors, whose sum is σ = 49721080698. Its totient is φ = 49721080696.
The previous prime is 49721080693. The next prime is 49721080711. The reversal of 49721080697 is 79608012794.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 34261639801 + 15459440896 = 185099^2 + 124336^2 .
It is a cyclic number.
It is not a de Polignac number, because 49721080697 - 22 = 49721080693 is a prime.
It is not a weakly prime, because it can be changed into another prime (49721080693) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24860540348 + 24860540349.
It is an arithmetic number, because the mean of its divisors is an integer number (24860540349).
Almost surely, 249721080697 is an apocalyptic number.
It is an amenable number.
49721080697 is a deficient number, since it is larger than the sum of its proper divisors (1).
49721080697 is an equidigital number, since it uses as much as digits as its factorization.
49721080697 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1524096, while the sum is 53.
The spelling of 49721080697 in words is "forty-nine billion, seven hundred twenty-one million, eighty thousand, six hundred ninety-seven".
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