Base | Representation |
---|---|
bin | 10001011111001101100111… |
… | …00101100111101000010101 |
3 | 12001011100021200000212222202 |
4 | 20233212303211213220111 |
5 | 20020030042411400110 |
6 | 213442213113534245 |
7 | 11046225640502621 |
oct | 1057466345475025 |
9 | 161140250025882 |
10 | 38455855184405 |
11 | 1128704478940a |
12 | 4391004114385 |
13 | 185c4aa4a4cc9 |
14 | 96d3b7dd2181 |
15 | 46a4d205c0a5 |
hex | 22f9b3967a15 |
38455855184405 has 8 divisors (see below), whose sum is σ = 46147060390200. Its totient is φ = 30764661368256.
The previous prime is 38455855184399. The next prime is 38455855184407. The reversal of 38455855184405 is 50448155855483.
It can be written as a sum of positive squares in 4 ways, for example, as 10902688894084 + 27553166290321 = 3301922^2 + 5249111^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38455855184405 - 226 = 38455788075541 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38455855184407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9263531 + ... + 12756359.
It is an arithmetic number, because the mean of its divisors is an integer number (5768382548775).
Almost surely, 238455855184405 is an apocalyptic number.
It is an amenable number.
38455855184405 is a deficient number, since it is larger than the sum of its proper divisors (7691205205795).
38455855184405 is a wasteful number, since it uses less digits than its factorization.
38455855184405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5694823.
The product of its (nonzero) digits is 307200000, while the sum is 65.
The spelling of 38455855184405 in words is "thirty-eight trillion, four hundred fifty-five billion, eight hundred fifty-five million, one hundred eighty-four thousand, four hundred five".
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