Base | Representation |
---|---|
bin | 11001010100001010101… |
… | …11011011001110110111 |
3 | 10002011011022111011211221 |
4 | 30222011113123032313 |
5 | 103222343122420000 |
6 | 1503331252411211 |
7 | 116561654461003 |
oct | 14520527331667 |
9 | 3064138434757 |
10 | 869820904375 |
11 | 305986251655 |
12 | 1206b1316b07 |
13 | 64040278987 |
14 | 3015727b703 |
15 | 1795cd2761a |
hex | ca855db3b7 |
869820904375 has 40 divisors (see below), whose sum is σ = 1112948242560. Its totient is φ = 679220220000.
The previous prime is 869820904361. The next prime is 869820904423. The reversal of 869820904375 is 573409028968.
It is a de Polignac number, because none of the positive numbers 2k-869820904375 is a prime.
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 39 ways as a sum of consecutive naturals, for example, 43500630 + ... + 43520620.
It is an arithmetic number, because the mean of its divisors is an integer number (27823706064).
Almost surely, 2869820904375 is an apocalyptic number.
869820904375 is a deficient number, since it is larger than the sum of its proper divisors (243127338185).
869820904375 is a wasteful number, since it uses less digits than its factorization.
869820904375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21673 (or 21658 counting only the distinct ones).
The product of its (nonzero) digits is 26127360, while the sum is 61.
The spelling of 869820904375 in words is "eight hundred sixty-nine billion, eight hundred twenty million, nine hundred four thousand, three hundred seventy-five".
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