Base | Representation |
---|---|
bin | 100101101000000111… |
… | …001110011110001100 |
3 | 10212021122102022111112 |
4 | 211220013032132030 |
5 | 1130220231233122 |
6 | 30320554511152 |
7 | 2630120330600 |
oct | 455007163614 |
9 | 125248368445 |
10 | 40401430412 |
11 | 16152610712 |
12 | 79b64354b8 |
13 | 3a6b2a4c55 |
14 | 1d53a25500 |
15 | 10b6d7e2e2 |
hex | 9681ce78c |
40401430412 has 36 divisors (see below), whose sum is σ = 82356760080. Its totient is φ = 17291532384.
The previous prime is 40401430361. The next prime is 40401430457. The reversal of 40401430412 is 21403410404.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6914 + ... + 284342.
It is an arithmetic number, because the mean of its divisors is an integer number (2287687780).
Almost surely, 240401430412 is an apocalyptic number.
It is an amenable number.
40401430412 is an abundant number, since it is smaller than the sum of its proper divisors (41955329668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40401430412 is a wasteful number, since it uses less digits than its factorization.
40401430412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278190 (or 278181 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
Adding to 40401430412 its reverse (21403410404), we get a palindrome (61804840816).
The spelling of 40401430412 in words is "forty billion, four hundred one million, four hundred thirty thousand, four hundred twelve".
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