Base | Representation |
---|---|
bin | 1111101101001101… |
… | …11100000101111010 |
3 | 210202122222210002120 |
4 | 13312212330011322 |
5 | 114232141320132 |
6 | 3512422542110 |
7 | 415650651135 |
oct | 76646740572 |
9 | 23678883076 |
10 | 8432370042 |
11 | 3637942468 |
12 | 1773b97936 |
13 | a44ca9395 |
14 | 59dc9721c |
15 | 34545502c |
hex | 1f69bc17a |
8432370042 has 24 divisors (see below), whose sum is σ = 17286128448. Its totient is φ = 2742230880.
The previous prime is 8432370007. The next prime is 8432370043. The reversal of 8432370042 is 2400732348.
It is a super-2 number, since 2×84323700422 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 8432369985 and 8432370012.
It is not an unprimeable number, because it can be changed into a prime (8432370043) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407938 + ... + 428109.
It is an arithmetic number, because the mean of its divisors is an integer number (720255352).
Almost surely, 28432370042 is an apocalyptic number.
8432370042 is a gapful number since it is divisible by the number (82) formed by its first and last digit.
8432370042 is an abundant number, since it is smaller than the sum of its proper divisors (8853758406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8432370042 is a wasteful number, since it uses less digits than its factorization.
8432370042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 836134 (or 836093 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 33.
The square root of 8432370042 is about 91827.9371542234. The cubic root of 8432370042 is about 2035.4005407010.
The spelling of 8432370042 in words is "eight billion, four hundred thirty-two million, three hundred seventy thousand, forty-two".
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