Base | Representation |
---|---|
bin | 1110111001011011… |
… | …00011111101110000 |
3 | 202122101110100022222 |
4 | 13130231203331300 |
5 | 112334430223413 |
6 | 3401342420212 |
7 | 402124005440 |
oct | 73455437560 |
9 | 22571410288 |
10 | 7997898608 |
11 | 3434672667 |
12 | 1672591668 |
13 | 9a5c887ab |
14 | 55c2bc120 |
15 | 31c232b08 |
hex | 1dcb63f70 |
7997898608 has 80 divisors (see below), whose sum is σ = 19738379520. Its totient is φ = 3056237568.
The previous prime is 7997898593. The next prime is 7997898619. The reversal of 7997898608 is 8068987997.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74366 + ... + 146717.
It is an arithmetic number, because the mean of its divisors is an integer number (246729744).
Almost surely, 27997898608 is an apocalyptic number.
It is an amenable number.
7997898608 is an abundant number, since it is smaller than the sum of its proper divisors (11740480912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7997898608 is a wasteful number, since it uses less digits than its factorization.
7997898608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221134 (or 221128 counting only the distinct ones).
The product of its (nonzero) digits is 109734912, while the sum is 71.
The square root of 7997898608 is about 89430.9711900749. The cubic root of 7997898608 is about 1999.8248686650.
The spelling of 7997898608 in words is "seven billion, nine hundred ninety-seven million, eight hundred ninety-eight thousand, six hundred eight".
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