Base | Representation |
---|---|
bin | 100100010011001100… |
… | …000011001001101101 |
3 | 10201121100102000200221 |
4 | 210103030003021231 |
5 | 1114311004201110 |
6 | 25523340251341 |
7 | 2546606620615 |
oct | 442314031155 |
9 | 121540360627 |
10 | 38976631405 |
11 | 15591324078 |
12 | 7679240b51 |
13 | 38a205290a |
14 | 1c5a6d9a45 |
15 | 1031c3b7da |
hex | 91330326d |
38976631405 has 8 divisors (see below), whose sum is σ = 47030367384. Its totient is φ = 31009032000.
The previous prime is 38976631373. The next prime is 38976631433. The reversal of 38976631405 is 50413667983.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 4844438404 + 34132193001 = 69602^2 + 184749^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38976631405 - 25 = 38976631373 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, 21533146 + ... + 21534955.
It is an arithmetic number, because the mean of its divisors is an integer number (5878795923).
Almost surely, 238976631405 is an apocalyptic number.
It is an amenable number.
38976631405 is a deficient number, since it is larger than the sum of its proper divisors (8053735979).
38976631405 is a wasteful number, since it uses less digits than its factorization.
38976631405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43068287.
The product of its (nonzero) digits is 3265920, while the sum is 52.
The spelling of 38976631405 in words is "thirty-eight billion, nine hundred seventy-six million, six hundred thirty-one thousand, four hundred five".
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