Base | Representation |
---|---|
bin | 100011110001001001… |
… | …010000011111111001 |
3 | 10200010112200020102222 |
4 | 203301021100133321 |
5 | 1112123300134142 |
6 | 25350534333425 |
7 | 2526503100551 |
oct | 436111203771 |
9 | 120115606388 |
10 | 38405474297 |
11 | 15318986303 |
12 | 7539aba275 |
13 | 3810915428 |
14 | 1c04900161 |
15 | eeba19bd2 |
hex | 8f12507f9 |
38405474297 has 8 divisors (see below), whose sum is σ = 39226432896. Its totient is φ = 37584674992.
The previous prime is 38405474293. The next prime is 38405474351. The reversal of 38405474297 is 79247450483.
It is a happy number.
38405474297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38405474297 - 22 = 38405474293 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38405474293) 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, 535283 + ... + 602775.
It is an arithmetic number, because the mean of its divisors is an integer number (4903304112).
Almost surely, 238405474297 is an apocalyptic number.
It is an amenable number.
38405474297 is a deficient number, since it is larger than the sum of its proper divisors (820958599).
38405474297 is a wasteful number, since it uses less digits than its factorization.
38405474297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79647.
The product of its (nonzero) digits is 6773760, while the sum is 53.
The spelling of 38405474297 in words is "thirty-eight billion, four hundred five million, four hundred seventy-four thousand, two hundred ninety-seven".
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