Base | Representation |
---|---|
bin | 100101100100110001… |
… | …100010111011101001 |
3 | 10212010202000110100111 |
4 | 211210301202323221 |
5 | 1130111411243101 |
6 | 30311234134321 |
7 | 2625540241534 |
oct | 454461427351 |
9 | 125122013314 |
10 | 40345415401 |
11 | 16123a31815 |
12 | 799b7213a1 |
13 | 3a5c7c1a85 |
14 | 1d4a403a1b |
15 | 10b1eb7251 |
hex | 964c62ee9 |
40345415401 has 4 divisors (see below), whose sum is σ = 40345911252. Its totient is φ = 40344919552.
The previous prime is 40345415387. The next prime is 40345415413. The reversal of 40345415401 is 10451454304.
40345415401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 27491298025 + 12854117376 = 165805^2 + 113376^2 .
It is a cyclic number.
It is not a de Polignac number, because 40345415401 - 213 = 40345407209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (40345415441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94036 + ... + 299221.
It is an arithmetic number, because the mean of its divisors is an integer number (10086477813).
Almost surely, 240345415401 is an apocalyptic number.
It is an amenable number.
40345415401 is a deficient number, since it is larger than the sum of its proper divisors (495851).
40345415401 is a wasteful number, since it uses less digits than its factorization.
40345415401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495850.
The product of its (nonzero) digits is 19200, while the sum is 31.
Adding to 40345415401 its reverse (10451454304), we get a palindrome (50796869705).
The spelling of 40345415401 in words is "forty billion, three hundred forty-five million, four hundred fifteen thousand, four hundred one".
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