Base | Representation |
---|---|
bin | 100111001001011101… |
… | …0111101101100010100 |
3 | 22000222221020101210200 |
4 | 1032102322331230110 |
5 | 2334133220343304 |
6 | 102342041020500 |
7 | 6034213223556 |
oct | 1162272755424 |
9 | 260887211720 |
10 | 84069309204 |
11 | 32720a2a341 |
12 | 14362784730 |
13 | 7c0a21279a |
14 | 40d73b14d6 |
15 | 22c0884e39 |
hex | 1392ebdb14 |
84069309204 has 72 divisors (see below), whose sum is σ = 218606737440. Its totient is φ = 27221406912.
The previous prime is 84069309161. The next prime is 84069309221. The reversal of 84069309204 is 40290396048.
84069309204 is a `hidden beast` number, since 8 + 406 + 9 + 30 + 9 + 204 = 666.
It is a super-2 number, since 2×840693092042 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 84069309204.
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, 773527 + ... + 875489.
Almost surely, 284069309204 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 84069309204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109303368720).
84069309204 is an abundant number, since it is smaller than the sum of its proper divisors (134537428236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
84069309204 is a wasteful number, since it uses less digits than its factorization.
84069309204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102629 (or 102624 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 45.
The spelling of 84069309204 in words is "eighty-four billion, sixty-nine million, three hundred nine thousand, two hundred four".
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