Base | Representation |
---|---|
bin | 100011100010010110… |
… | …000110011011110011 |
3 | 10122111020110201102011 |
4 | 203202112012123303 |
5 | 1111121214321312 |
6 | 25310144503351 |
7 | 2520366462430 |
oct | 434226063363 |
9 | 118436421364 |
10 | 38157182707 |
11 | 1520080a146 |
12 | 748a91ab57 |
13 | 37a1350527 |
14 | 1bbd94ab87 |
15 | ed4d21da7 |
hex | 8e25866f3 |
38157182707 has 4 divisors (see below), whose sum is σ = 43608208816. Its totient is φ = 32706156600.
The previous prime is 38157182683. The next prime is 38157182711. The reversal of 38157182707 is 70728175183.
38157182707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 38157182707 - 227 = 38022964979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38152182707) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2725513044 + ... + 2725513057.
It is an arithmetic number, because the mean of its divisors is an integer number (10902052204).
Almost surely, 238157182707 is an apocalyptic number.
38157182707 is a deficient number, since it is larger than the sum of its proper divisors (5451026109).
38157182707 is an equidigital number, since it uses as much as digits as its factorization.
38157182707 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5451026108.
The product of its (nonzero) digits is 658560, while the sum is 49.
The spelling of 38157182707 in words is "thirty-eight billion, one hundred fifty-seven million, one hundred eighty-two thousand, seven hundred seven".
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