Base | Representation |
---|---|
bin | 100101010000111110… |
… | …011001101010111100 |
3 | 10211021120222020202122 |
4 | 211100332121222330 |
5 | 1123421342203040 |
6 | 30214250342112 |
7 | 2614364636234 |
oct | 452076315274 |
9 | 124246866678 |
10 | 40013241020 |
11 | 15a73482235 |
12 | 790842a938 |
13 | 3a08a3a39c |
14 | 1d18256cc4 |
15 | 1092c501b5 |
hex | 950f99abc |
40013241020 has 48 divisors (see below), whose sum is σ = 89051114880. Its totient is φ = 15050179584.
The previous prime is 40013241017. The next prime is 40013241049. The reversal of 40013241020 is 2014231004.
It is a super-2 number, since 2×400132410202 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 40013241020.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327101 + ... + 432459.
It is an arithmetic number, because the mean of its divisors is an integer number (1855231560).
Almost surely, 240013241020 is an apocalyptic number.
It is an amenable number.
40013241020 is an abundant number, since it is smaller than the sum of its proper divisors (49037873860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40013241020 is a wasteful number, since it uses less digits than its factorization.
40013241020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106502 (or 106500 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 40013241020 its reverse (2014231004), we get a palindrome (42027472024).
The spelling of 40013241020 in words is "forty billion, thirteen million, two hundred forty-one thousand, twenty".
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