Base | Representation |
---|---|
bin | 100100000101111010… |
… | …001111000100111011 |
3 | 10201000211012221211120 |
4 | 210011322033010323 |
5 | 1113331441422401 |
6 | 25445301400323 |
7 | 2541233233212 |
oct | 440572170473 |
9 | 121024187746 |
10 | 38753857851 |
11 | 154875a6aa5 |
12 | 76167090a3 |
13 | 3867b53947 |
14 | 1c38caa079 |
15 | 101c3d4836 |
hex | 905e8f13b |
38753857851 has 8 divisors (see below), whose sum is σ = 54391379520. Its totient is φ = 24476120712.
The previous prime is 38753857823. The next prime is 38753857853. The reversal of 38753857851 is 15875835783.
38753857851 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 38753857851 - 25 = 38753857819 is a prime.
It is a super-2 number, since 2×387538578512 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38753857853) 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, 339946065 + ... + 339946178.
It is an arithmetic number, because the mean of its divisors is an integer number (6798922440).
Almost surely, 238753857851 is an apocalyptic number.
38753857851 is a deficient number, since it is larger than the sum of its proper divisors (15637521669).
38753857851 is a wasteful number, since it uses less digits than its factorization.
38753857851 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 679892265.
The product of its digits is 28224000, while the sum is 60.
The spelling of 38753857851 in words is "thirty-eight billion, seven hundred fifty-three million, eight hundred fifty-seven thousand, eight hundred fifty-one".
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