Base | Representation |
---|---|
bin | 1101010011011010… |
… | …00000110101111000 |
3 | 200102202011010021210 |
4 | 12221231000311320 |
5 | 104111340213403 |
6 | 3140412203120 |
7 | 341662663515 |
oct | 65155006570 |
9 | 20382133253 |
10 | 7142116728 |
11 | 30355a200a |
12 | 1473a694a0 |
13 | 89a8a4896 |
14 | 4ba79230c |
15 | 2bc03cb03 |
hex | 1a9b40d78 |
7142116728 has 16 divisors (see below), whose sum is σ = 17855291880. Its totient is φ = 2380705568.
The previous prime is 7142116711. The next prime is 7142116747. The reversal of 7142116728 is 8276112417.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148794075 + ... + 148794122.
Almost surely, 27142116728 is an apocalyptic number.
It is an amenable number.
7142116728 is an abundant number, since it is smaller than the sum of its proper divisors (10713175152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7142116728 is a wasteful number, since it uses less digits than its factorization.
7142116728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297588206 (or 297588202 counting only the distinct ones).
The product of its digits is 37632, while the sum is 39.
The square root of 7142116728 is about 84511.0450059636. The cubic root of 7142116728 is about 1925.7902397159.
The spelling of 7142116728 in words is "seven billion, one hundred forty-two million, one hundred sixteen thousand, seven hundred twenty-eight".
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