Base | Representation |
---|---|
bin | 101101011000101001… |
… | …010111111000100101 |
3 | 11122210012122001101101 |
4 | 231120221113320211 |
5 | 1244300330142442 |
6 | 34215341200101 |
7 | 3343423103542 |
oct | 553051277045 |
9 | 148705561341 |
10 | 48731880997 |
11 | 19737970518 |
12 | 9540260031 |
13 | 4798117c57 |
14 | 250414bbc9 |
15 | 14033a0cb7 |
hex | b58a57e25 |
48731880997 has 2 divisors, whose sum is σ = 48731880998. Its totient is φ = 48731880996.
The previous prime is 48731880943. The next prime is 48731881001. The reversal of 48731880997 is 79908813784.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27704270916 + 21027610081 = 166446^2 + 145009^2 .
It is a cyclic number.
It is not a de Polignac number, because 48731880997 - 215 = 48731848229 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (48731880097) 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 as a sum of consecutive naturals, namely, 24365940498 + 24365940499.
It is an arithmetic number, because the mean of its divisors is an integer number (24365940499).
Almost surely, 248731880997 is an apocalyptic number.
It is an amenable number.
48731880997 is a deficient number, since it is larger than the sum of its proper divisors (1).
48731880997 is an equidigital number, since it uses as much as digits as its factorization.
48731880997 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24385536, while the sum is 64.
The spelling of 48731880997 in words is "forty-eight billion, seven hundred thirty-one million, eight hundred eighty thousand, nine hundred ninety-seven".
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