Base | Representation |
---|---|
bin | 100101101000000110… |
… | …111000111001001111 |
3 | 10212021122020211021011 |
4 | 211220012320321033 |
5 | 1130220220421111 |
6 | 30320552550051 |
7 | 2630116512121 |
oct | 455006707117 |
9 | 125248224234 |
10 | 40401342031 |
11 | 16152560276 |
12 | 79b63b2327 |
13 | 3a6b27395b |
14 | 1d53a01211 |
15 | 10b6d63021 |
hex | 9681b8e4f |
40401342031 has 16 divisors (see below), whose sum is σ = 42705129600. Its totient is φ = 38177401248.
The previous prime is 40401342011. The next prime is 40401342049. The reversal of 40401342031 is 13024310404.
40401342031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 40401342031 - 211 = 40401339983 is a prime.
It is a super-2 number, since 2×404013420312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 40401341993 and 40401342011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40401342011) 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, 69700 + ... + 292678.
It is an arithmetic number, because the mean of its divisors is an integer number (2669070600).
Almost surely, 240401342031 is an apocalyptic number.
40401342031 is a deficient number, since it is larger than the sum of its proper divisors (2303787569).
40401342031 is a wasteful number, since it uses less digits than its factorization.
40401342031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223158.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 40401342031 its reverse (13024310404), we get a palindrome (53425652435).
The spelling of 40401342031 in words is "forty billion, four hundred one million, three hundred forty-two thousand, thirty-one".
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