Base | Representation |
---|---|
bin | 11000001011110100011… |
… | …10111111100001011101 |
3 | 2221102220101102021122121 |
4 | 30011322032333201131 |
5 | 102103321214014220 |
6 | 1433425141142541 |
7 | 114015305454154 |
oct | 14057216774135 |
9 | 2842811367577 |
10 | 830979438685 |
11 | 2a0464258590 |
12 | 1150713baa51 |
13 | 6049022cb96 |
14 | 2c3108c859b |
15 | 16937dd9eaa |
hex | c17a3bf85d |
830979438685 has 8 divisors (see below), whose sum is σ = 1087827628896. Its totient is φ = 604348682640.
The previous prime is 830979438673. The next prime is 830979438703. The reversal of 830979438685 is 586834979038.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 830979438685 - 29 = 830979438173 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7554358479 + ... + 7554358588.
It is an arithmetic number, because the mean of its divisors is an integer number (135978453612).
Almost surely, 2830979438685 is an apocalyptic number.
It is an amenable number.
830979438685 is a deficient number, since it is larger than the sum of its proper divisors (256848190211).
830979438685 is a wasteful number, since it uses less digits than its factorization.
830979438685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15108717083.
The product of its (nonzero) digits is 313528320, while the sum is 70.
The spelling of 830979438685 in words is "eight hundred thirty billion, nine hundred seventy-nine million, four hundred thirty-eight thousand, six hundred eighty-five".
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