Base | Representation |
---|---|
bin | 100110110100101010… |
… | …0001110010110010011 |
3 | 21222012021210020122211 |
4 | 1031221110032112103 |
5 | 2331221022203310 |
6 | 102144504012551 |
7 | 6011006153314 |
oct | 1155124162623 |
9 | 258167706584 |
10 | 83371287955 |
11 | 323a2a1167a |
12 | 141a8a61157 |
13 | 7b28716c67 |
14 | 406c7d060b |
15 | 227e453c8a |
hex | 136950e593 |
83371287955 has 4 divisors (see below), whose sum is σ = 100045545552. Its totient is φ = 66697030360.
The previous prime is 83371287941. The next prime is 83371287973. The reversal of 83371287955 is 55978217338.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 83371287955 - 213 = 83371279763 is a prime.
It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
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 83371287955.
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, 8337128791 + ... + 8337128800.
It is an arithmetic number, because the mean of its divisors is an integer number (25011386388).
Almost surely, 283371287955 is an apocalyptic number.
83371287955 is a deficient number, since it is larger than the sum of its proper divisors (16674257597).
83371287955 is a wasteful number, since it uses less digits than its factorization.
83371287955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16674257596.
The product of its digits is 12700800, while the sum is 58.
The spelling of 83371287955 in words is "eighty-three billion, three hundred seventy-one million, two hundred eighty-seven thousand, nine hundred fifty-five".
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