Base | Representation |
---|---|
bin | 101101100011011001… |
… | …011110001110000101 |
3 | 11200020210001100122001 |
4 | 231203121132032011 |
5 | 1300133014341041 |
6 | 34245303305301 |
7 | 3351043240000 |
oct | 554331361605 |
9 | 150223040561 |
10 | 48912262021 |
11 | 1981a773447 |
12 | 959074b231 |
13 | 47c65c339c |
14 | 25200a4537 |
15 | 1414132131 |
hex | b6365e385 |
48912262021 has 40 divisors (see below), whose sum is σ = 58198304088. Its totient is φ = 41094144000.
The previous prime is 48912261989. The next prime is 48912262027. The reversal of 48912262021 is 12026221984.
It can be written as a sum of positive squares in 4 ways, for example, as 2217373921 + 46694888100 = 47089^2 + 216090^2 .
It is not a de Polignac number, because 48912262021 - 25 = 48912261989 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 (48912262027) 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 39 ways as a sum of consecutive naturals, for example, 76305861 + ... + 76306501.
Almost surely, 248912262021 is an apocalyptic number.
It is an amenable number.
48912262021 is a deficient number, since it is larger than the sum of its proper divisors (9286042067).
48912262021 is an frugal number, since it uses more digits than its factorization.
48912262021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1251 (or 1230 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 37.
The spelling of 48912262021 in words is "forty-eight billion, nine hundred twelve million, two hundred sixty-two thousand, twenty-one".
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