Base | Representation |
---|---|
bin | 100101111111111011… |
… | …100000000110010000 |
3 | 10220022111022001201220 |
4 | 211333323200012100 |
5 | 1132030024310224 |
6 | 30424351125040 |
7 | 2643041602053 |
oct | 457773400620 |
9 | 126274261656 |
10 | 40801010064 |
11 | 16338119831 |
12 | 7aa8213780 |
13 | 3b02cca109 |
14 | 1d90b1aa9a |
15 | 10dbead279 |
hex | 97fee0190 |
40801010064 has 80 divisors (see below), whose sum is σ = 105770277888. Its totient is φ = 13552995456.
The previous prime is 40801010053. The next prime is 40801010069. The reversal of 40801010064 is 46001010804.
40801010064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (40801010069) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25388749 + ... + 25390355.
Almost surely, 240801010064 is an apocalyptic number.
It is an amenable number.
40801010064 is an abundant number, since it is smaller than the sum of its proper divisors (64969267824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40801010064 is a wasteful number, since it uses less digits than its factorization.
40801010064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3132 (or 3126 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
Adding to 40801010064 its reverse (46001010804), we get a palindrome (86802020868).
The spelling of 40801010064 in words is "forty billion, eight hundred one million, ten thousand, sixty-four".
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