Base | Representation |
---|---|
bin | 100110101100001010… |
… | …1011100010000110100 |
3 | 21221110102201011012102 |
4 | 1031120111130100310 |
5 | 2330130104110140 |
6 | 102100325441232 |
7 | 6000646462031 |
oct | 1153025342064 |
9 | 257412634172 |
10 | 83086394420 |
11 | 32267115977 |
12 | 14129570218 |
13 | 7ab16a80c3 |
14 | 4042a30388 |
15 | 226442ae15 |
hex | 135855c434 |
83086394420 has 12 divisors (see below), whose sum is σ = 174481428324. Its totient is φ = 33234557760.
The previous prime is 83086394411. The next prime is 83086394449. The reversal of 83086394420 is 2449368038.
It can be written as a sum of positive squares in 2 ways, for example, as 21277473424 + 61808920996 = 145868^2 + 248614^2 .
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, 2077159841 + ... + 2077159880.
It is an arithmetic number, because the mean of its divisors is an integer number (14540119027).
Almost surely, 283086394420 is an apocalyptic number.
It is an amenable number.
83086394420 is an abundant number, since it is smaller than the sum of its proper divisors (91395033904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83086394420 is a wasteful number, since it uses less digits than its factorization.
83086394420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4154319730 (or 4154319728 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 47.
The spelling of 83086394420 in words is "eighty-three billion, eighty-six million, three hundred ninety-four thousand, four hundred twenty".
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