Base | Representation |
---|---|
bin | 100011110001000111… |
… | …100101110100111111 |
3 | 10200010111212001002200 |
4 | 203301013211310333 |
5 | 1112123142144000 |
6 | 25350521122543 |
7 | 2526466300665 |
oct | 436107456477 |
9 | 120114761080 |
10 | 38405037375 |
11 | 15318708011 |
12 | 7539929453 |
13 | 38107c15b3 |
14 | 1c04828c35 |
15 | eeb980500 |
hex | 8f11e5d3f |
38405037375 has 24 divisors (see below), whose sum is σ = 69231482736. Its totient is φ = 20482686000.
The previous prime is 38405037373. The next prime is 38405037379. The reversal of 38405037375 is 57373050483.
38405037375 is a `hidden beast` number, since 3 + 8 + 4 + 0 + 503 + 73 + 75 = 666.
It is not a de Polignac number, because 38405037375 - 21 = 38405037373 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 38405037375.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38405037373) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17067781 + ... + 17070030.
It is an arithmetic number, because the mean of its divisors is an integer number (2884645114).
Almost surely, 238405037375 is an apocalyptic number.
38405037375 is a deficient number, since it is larger than the sum of its proper divisors (30826445361).
38405037375 is a wasteful number, since it uses less digits than its factorization.
38405037375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34137832 (or 34137819 counting only the distinct ones).
The product of its (nonzero) digits is 1058400, while the sum is 45.
The spelling of 38405037375 in words is "thirty-eight billion, four hundred five million, thirty-seven thousand, three hundred seventy-five".
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