Base | Representation |
---|---|
bin | 1111001001011011… |
… | …11010110101111000 |
3 | 202222202012001222110 |
4 | 13210231322311320 |
5 | 113123321210130 |
6 | 3422541252320 |
7 | 405344434113 |
oct | 74455726570 |
9 | 22882161873 |
10 | 8132210040 |
11 | 34a3469849 |
12 | 16ab5640a0 |
13 | 9c7a53806 |
14 | 57208157a |
15 | 328e13ab0 |
hex | 1e4b7ad78 |
8132210040 has 32 divisors (see below), whose sum is σ = 24396630480. Its totient is φ = 2168589312.
The previous prime is 8132210029. The next prime is 8132210069. The reversal of 8132210040 is 400122318.
It is a super-2 number, since 2×81322100402 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 8132209989 and 8132210016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33884089 + ... + 33884328.
Almost surely, 28132210040 is an apocalyptic number.
It is an amenable number.
8132210040 is an abundant number, since it is smaller than the sum of its proper divisors (16264420440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8132210040 is a wasteful number, since it uses less digits than its factorization.
8132210040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67768431 (or 67768427 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 8132210040 is about 90178.7671239744. The cubic root of 8132210040 is about 2010.9573618125.
Adding to 8132210040 its reverse (400122318), we get a palindrome (8532332358).
The spelling of 8132210040 in words is "eight billion, one hundred thirty-two million, two hundred ten thousand, forty".
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