Base | Representation |
---|---|
bin | 101101011011000001… |
… | …000000011000111001 |
3 | 11122212222102112122201 |
4 | 231123001000120321 |
5 | 1244341014140044 |
6 | 34223321150201 |
7 | 3344415010000 |
oct | 553301003071 |
9 | 148788375581 |
10 | 48771630649 |
11 | 1975834aa75 |
12 | 955162b361 |
13 | 47a3424861 |
14 | 2509537c37 |
15 | 1406b037d4 |
hex | b5b040639 |
48771630649 has 15 divisors (see below), whose sum is σ = 56909477157. Its totient is φ = 41794979436.
The previous prime is 48771630641. The next prime is 48771630751. The reversal of 48771630649 is 94603617784.
The square root of 48771630649 is 220843.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 48771630649 - 23 = 48771630641 is a prime.
It is a super-4 number, since 4×487716306494 (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 48771630649.
It is not an unprimeable number, because it can be changed into a prime (48771630641) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 10819054 + ... + 10823560.
Almost surely, 248771630649 is an apocalyptic number.
48771630649 is a gapful number since it is divisible by the number (49) formed by its first and last digit.
48771630649 is the 220843-rd square number.
48771630649 is the 110422-nd centered octagonal number.
It is an amenable number.
48771630649 is a deficient number, since it is larger than the sum of its proper divisors (8137846508).
48771630649 is an frugal number, since it uses more digits than its factorization.
48771630649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9042 (or 4514 counting only the distinct ones).
The product of its (nonzero) digits is 6096384, while the sum is 55.
The spelling of 48771630649 in words is "forty-eight billion, seven hundred seventy-one million, six hundred thirty thousand, six hundred forty-nine".
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