Base | Representation |
---|---|
bin | 100011111001010011… |
… | …110001110110010111 |
3 | 10200111002102022212210 |
4 | 203321103301312113 |
5 | 1112413331400241 |
6 | 25412310244503 |
7 | 2533055264046 |
oct | 437123616627 |
9 | 120432368783 |
10 | 38542450071 |
11 | 15389232224 |
12 | 7577956733 |
13 | 3833104098 |
14 | 1c18b9855d |
15 | 1008a75316 |
hex | 8f94f1d97 |
38542450071 has 16 divisors (see below), whose sum is σ = 53161325568. Its totient is φ = 24812822400.
The previous prime is 38542450069. The next prime is 38542450081. The reversal of 38542450071 is 17005424583.
It is not a de Polignac number, because 38542450071 - 21 = 38542450069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38542450061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400290 + ... + 487151.
It is an arithmetic number, because the mean of its divisors is an integer number (3322582848).
Almost surely, 238542450071 is an apocalyptic number.
38542450071 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
38542450071 is a deficient number, since it is larger than the sum of its proper divisors (14618875497).
38542450071 is a wasteful number, since it uses less digits than its factorization.
38542450071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 887942.
The product of its (nonzero) digits is 134400, while the sum is 39.
The spelling of 38542450071 in words is "thirty-eight billion, five hundred forty-two million, four hundred fifty thousand, seventy-one".
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