Base | Representation |
---|---|
bin | 1001010010101101… |
… | …01001111001101101 |
3 | 110212200020212120110 |
4 | 10221112221321231 |
5 | 40204111200244 |
6 | 2143010410233 |
7 | 234424601430 |
oct | 45126517155 |
9 | 13780225513 |
10 | 4988771949 |
11 | 2130039227 |
12 | b72890979 |
13 | 61672a085 |
14 | 3547bb817 |
15 | 1e2e899b9 |
hex | 1295a9e6d |
4988771949 has 12 divisors (see below), whose sum is σ = 7602431456. Its totient is φ = 2850541872.
The previous prime is 4988771947. The next prime is 4988772023. The reversal of 4988771949 is 9491778894.
4988771949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 4988771949 - 21 = 4988771947 is a prime.
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 4988771949.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4988771947) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315967 + ... + 331379.
Almost surely, 24988771949 is an apocalyptic number.
It is an amenable number.
4988771949 is a deficient number, since it is larger than the sum of its proper divisors (2613659507).
4988771949 is an frugal number, since it uses more digits than its factorization.
4988771949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30836 (or 15423 counting only the distinct ones).
The product of its digits is 36578304, while the sum is 66.
The square root of 4988771949 is about 70631.2391863544. The cubic root of 4988771949 is about 1708.6950075585.
The spelling of 4988771949 in words is "four billion, nine hundred eighty-eight million, seven hundred seventy-one thousand, nine hundred forty-nine".
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