Base | Representation |
---|---|
bin | 100101010101011110… |
… | …101001110000110101 |
3 | 10211110212011021020112 |
4 | 211111132221300311 |
5 | 1124100213220110 |
6 | 30225550112405 |
7 | 2616303133526 |
oct | 452536516065 |
9 | 124425137215 |
10 | 40088804405 |
11 | 160020a3111 |
12 | 79297ab705 |
13 | 3a1b5a6250 |
14 | 1d242c684d |
15 | 10996c9405 |
hex | 9557a9c35 |
40088804405 has 16 divisors (see below), whose sum is σ = 54854546544. Its totient is φ = 27862625280.
The previous prime is 40088804381. The next prime is 40088804419. The reversal of 40088804405 is 50440888004.
It can be written as a sum of positive squares in 8 ways, for example, as 8230481284 + 31858323121 = 90722^2 + 178489^2 .
It is not a de Polignac number, because 40088804405 - 212 = 40088800309 is a prime.
It is a super-2 number, since 2×400888044052 (a number of 22 digits) contains 22 as substring.
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, 18138626 + ... + 18140835.
It is an arithmetic number, because the mean of its divisors is an integer number (3428409159).
Almost surely, 240088804405 is an apocalyptic number.
It is an amenable number.
40088804405 is a deficient number, since it is larger than the sum of its proper divisors (14765742139).
40088804405 is a wasteful number, since it uses less digits than its factorization.
40088804405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36279496.
The product of its (nonzero) digits is 163840, while the sum is 41.
The spelling of 40088804405 in words is "forty billion, eighty-eight million, eight hundred four thousand, four hundred five".
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