Base | Representation |
---|---|
bin | 1011000100100101… |
… | …0001001101101111 |
3 | 21200010100002111102 |
4 | 2301021101031233 |
5 | 22041312401124 |
6 | 1210524113315 |
7 | 133435362254 |
oct | 26111211557 |
9 | 7603302442 |
10 | 2971997039 |
11 | 1295684400 |
12 | 6ab39583b |
13 | 38495b53b |
14 | 2029d742b |
15 | 125db1aae |
hex | b125136f |
2971997039 has 6 divisors (see below), whose sum is σ = 3266740680. Its totient is φ = 2701815380.
The previous prime is 2971997027. The next prime is 2971997057. The reversal of 2971997039 is 9307991792.
2971997039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2971997039 - 216 = 2971931503 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 (2971997009) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12280859 + ... + 12281100.
It is an arithmetic number, because the mean of its divisors is an integer number (544456780).
Almost surely, 22971997039 is an apocalyptic number.
2971997039 is a deficient number, since it is larger than the sum of its proper divisors (294743641).
2971997039 is a wasteful number, since it uses less digits than its factorization.
2971997039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24561981 (or 24561970 counting only the distinct ones).
The product of its (nonzero) digits is 1928934, while the sum is 56.
The square root of 2971997039 is about 54516.0255246107. The cubic root of 2971997039 is about 1437.7480617806.
The spelling of 2971997039 in words is "two billion, nine hundred seventy-one million, nine hundred ninety-seven thousand, thirty-nine".
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