Base | Representation |
---|---|
bin | 101100111110011111… |
… | …101101001001101001 |
3 | 11121122122001122120121 |
4 | 230332133231021221 |
5 | 1242401020422144 |
6 | 34104025323241 |
7 | 3326514623521 |
oct | 547637551151 |
9 | 147578048517 |
10 | 48293139049 |
11 | 19532244171 |
12 | 9439336521 |
13 | 472826062c |
14 | 24a1b80681 |
15 | 13c9ad8384 |
hex | b3e7ed269 |
48293139049 has 3 divisors (see below), whose sum is σ = 48293358807. Its totient is φ = 48292919292.
The previous prime is 48293139007. The next prime is 48293139091. The reversal of 48293139049 is 94093139284.
It is a happy number.
The square root of 48293139049 is 219757.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is an interprime number because it is at equal distance from previous prime (48293139007) and next prime (48293139091).
It can be written as a sum of positive squares in only one way, i.e., 46033848025 + 2259291024 = 214555^2 + 47532^2 .
It is not a de Polignac number, because 48293139049 - 225 = 48259584617 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 48293138987 and 48293139005.
It is not an unprimeable number, because it can be changed into a prime (48293136049) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 109879 + ... + 329635.
It is an arithmetic number, because the mean of its divisors is an integer number (16097786269).
Almost surely, 248293139049 is an apocalyptic number.
48293139049 is the 219757-th square number.
48293139049 is the 109879-th centered octagonal number.
It is an amenable number.
48293139049 is a deficient number, since it is larger than the sum of its proper divisors (219758).
48293139049 is an frugal number, since it uses more digits than its factorization.
48293139049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 439514 (or 219757 counting only the distinct ones).
The product of its (nonzero) digits is 1679616, while the sum is 52.
The spelling of 48293139049 in words is "forty-eight billion, two hundred ninety-three million, one hundred thirty-nine thousand, forty-nine".
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