Base | Representation |
---|---|
bin | 100011110001101001… |
… | …010110011010000001 |
3 | 10200011010111122122110 |
4 | 203301221112122001 |
5 | 1112132423341410 |
6 | 25351434525533 |
7 | 2526634436646 |
oct | 436151263201 |
9 | 120133448573 |
10 | 38413887105 |
11 | 15322701a40 |
12 | 75408968a9 |
13 | 381259c719 |
14 | 1c05a8ddcd |
15 | eec62c720 |
hex | 8f1a56681 |
38413887105 has 32 divisors (see below), whose sum is σ = 68861858688. Its totient is φ = 18121536000.
The previous prime is 38413887103. The next prime is 38413887121. The reversal of 38413887105 is 50178831483.
It is a happy number.
It is not a de Polignac number, because 38413887105 - 21 = 38413887103 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (38413887103) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3139996 + ... + 3152205.
It is an arithmetic number, because the mean of its divisors is an integer number (2151933084).
Almost surely, 238413887105 is an apocalyptic number.
It is an amenable number.
38413887105 is a deficient number, since it is larger than the sum of its proper divisors (30447971583).
38413887105 is a wasteful number, since it uses less digits than its factorization.
38413887105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6292257.
The product of its (nonzero) digits is 645120, while the sum is 48.
The spelling of 38413887105 in words is "thirty-eight billion, four hundred thirteen million, eight hundred eighty-seven thousand, one hundred five".
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