Base | Representation |
---|---|
bin | 100100001011110100… |
… | …111001110101011101 |
3 | 10201021202000011121011 |
4 | 210023310321311131 |
5 | 1114032344422141 |
6 | 25503205135221 |
7 | 2543550046210 |
oct | 441364716535 |
9 | 121252004534 |
10 | 38853123421 |
11 | 15528636762 |
12 | 76439ba511 |
13 | 388259b078 |
14 | 1c48149777 |
15 | 1025e91881 |
hex | 90bd39d5d |
38853123421 has 8 divisors (see below), whose sum is σ = 44818557120. Its totient is φ = 32991436608.
The previous prime is 38853123401. The next prime is 38853123457. The reversal of 38853123421 is 12432135883.
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 38853123421 - 217 = 38852992349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38853123401) 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, 25935916 + ... + 25937413.
It is an arithmetic number, because the mean of its divisors is an integer number (5602319640).
Almost surely, 238853123421 is an apocalyptic number.
It is an amenable number.
38853123421 is a deficient number, since it is larger than the sum of its proper divisors (5965433699).
38853123421 is a wasteful number, since it uses less digits than its factorization.
38853123421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51873443.
The product of its digits is 138240, while the sum is 40.
The spelling of 38853123421 in words is "thirty-eight billion, eight hundred fifty-three million, one hundred twenty-three thousand, four hundred twenty-one".
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