Base | Representation |
---|---|
bin | 100111000100000101… |
… | …0011001011100011100 |
3 | 22000112100120212111020 |
4 | 1032020022121130130 |
5 | 2333301013240120 |
6 | 102312112124140 |
7 | 6026562040302 |
oct | 1161012313434 |
9 | 260470525436 |
10 | 83888805660 |
11 | 32639053360 |
12 | 14312236650 |
13 | 7bab9c365a |
14 | 40bb426272 |
15 | 22aeacc640 |
hex | 138829971c |
83888805660 has 96 divisors (see below), whose sum is σ = 256618720512. Its totient is φ = 20306795520.
The previous prime is 83888805653. The next prime is 83888805667. The reversal of 83888805660 is 6650888838.
It is an interprime number because it is at equal distance from previous prime (83888805653) and next prime (83888805667).
It is a super-2 number, since 2×838888056602 (a number of 23 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a junction number, because it is equal to n+sod(n) for n = 83888805594 and 83888805603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83888805667) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357732 + ... + 543828.
It is an arithmetic number, because the mean of its divisors is an integer number (2673111672).
Almost surely, 283888805660 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 83888805660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128309360256).
83888805660 is an abundant number, since it is smaller than the sum of its proper divisors (172729914852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83888805660 is a wasteful number, since it uses less digits than its factorization.
83888805660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186803 (or 186801 counting only the distinct ones).
The product of its (nonzero) digits is 17694720, while the sum is 60.
The spelling of 83888805660 in words is "eighty-three billion, eight hundred eighty-eight million, eight hundred five thousand, six hundred sixty".
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