Base | Representation |
---|---|
bin | 100101001101001111… |
… | …1111011010010010000 |
3 | 21122020110201022211122 |
4 | 1022122133323102100 |
5 | 2302114234100023 |
6 | 100412313501412 |
7 | 5526014206430 |
oct | 1123237732220 |
9 | 248213638748 |
10 | 79901471888 |
11 | 30982330497 |
12 | 1359aa11868 |
13 | 76c48b8264 |
14 | 3c1da4c2c0 |
15 | 2129a0a2c8 |
hex | 129a7fb490 |
79901471888 has 40 divisors (see below), whose sum is σ = 179056331328. Its totient is φ = 33830911872.
The previous prime is 79901471869. The next prime is 79901471891. The reversal of 79901471888 is 88817410997.
It is a self number, because there is not a number n which added to its sum of digits gives 79901471888.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4288331 + ... + 4306922.
Almost surely, 279901471888 is an apocalyptic number.
It is an amenable number.
79901471888 is an abundant number, since it is smaller than the sum of its proper divisors (99154859440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79901471888 is a wasteful number, since it uses less digits than its factorization.
79901471888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8595351 (or 8595345 counting only the distinct ones).
The product of its (nonzero) digits is 8128512, while the sum is 62.
The spelling of 79901471888 in words is "seventy-nine billion, nine hundred one million, four hundred seventy-one thousand, eight hundred eighty-eight".
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