Base | Representation |
---|---|
bin | 100101010110001101… |
… | …001101000000101101 |
3 | 10211111201010020121111 |
4 | 211112031031000231 |
5 | 1124111324214110 |
6 | 30231103432021 |
7 | 2616511640014 |
oct | 452615150055 |
9 | 124451106544 |
10 | 40101007405 |
11 | 16008a78438 |
12 | 79318b5611 |
13 | 3a20c89764 |
14 | 1d25b81a7b |
15 | 109a7d9e8a |
hex | 95634d02d |
40101007405 has 8 divisors (see below), whose sum is σ = 48127368312. Its totient is φ = 32076699648.
The previous prime is 40101007367. The next prime is 40101007417. The reversal of 40101007405 is 50470010104.
It can be written as a sum of positive squares in 4 ways, for example, as 472540644 + 39628466761 = 21738^2 + 199069^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-40101007405 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469984 + ... + 548713.
It is an arithmetic number, because the mean of its divisors is an integer number (6015921039).
Almost surely, 240101007405 is an apocalyptic number.
It is an amenable number.
40101007405 is a deficient number, since it is larger than the sum of its proper divisors (8026360907).
40101007405 is a wasteful number, since it uses less digits than its factorization.
40101007405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1026575.
The product of its (nonzero) digits is 560, while the sum is 22.
Adding to 40101007405 its reverse (50470010104), we get a palindrome (90571017509).
The spelling of 40101007405 in words is "forty billion, one hundred one million, seven thousand, four hundred five".
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