Base | Representation |
---|---|
bin | 10010111001100111001000… |
… | …110001000010101011100101 |
3 | 101220022120020110002112001201 |
4 | 102321213020301002223211 |
5 | 41343400141304104400 |
6 | 452442325012122501 |
7 | 23336333666201011 |
oct | 2271471061025345 |
9 | 356276213075051 |
10 | 83123870378725 |
11 | 245386a9880840 |
12 | 93a5b68006431 |
13 | 374c7166858b7 |
14 | 1675306c45541 |
15 | 992398d0206a |
hex | 4b99c8c42ae5 |
83123870378725 has 24 divisors (see below), whose sum is σ = 112597329104352. Its totient is φ = 60371249380800.
The previous prime is 83123870378669. The next prime is 83123870378753. The reversal of 83123870378725 is 52787307832138.
It is not a de Polignac number, because 83123870378725 - 27 = 83123870378597 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205984387 + ... + 206387536.
It is an arithmetic number, because the mean of its divisors is an integer number (4691555379348).
Almost surely, 283123870378725 is an apocalyptic number.
It is an amenable number.
83123870378725 is a deficient number, since it is larger than the sum of its proper divisors (29473458725627).
83123870378725 is a wasteful number, since it uses less digits than its factorization.
83123870378725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 412372677 (or 412372672 counting only the distinct ones).
The product of its (nonzero) digits is 94832640, while the sum is 64.
The spelling of 83123870378725 in words is "eighty-three trillion, one hundred twenty-three billion, eight hundred seventy million, three hundred seventy-eight thousand, seven hundred twenty-five".
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