Base | Representation |
---|---|
bin | 1001011101001110… |
… | …0011110010010011 |
3 | 20112220121111102111 |
4 | 2113103203302103 |
5 | 20144323040211 |
6 | 1055520330151 |
7 | 116622532351 |
oct | 22723436223 |
9 | 6486544374 |
10 | 2538486931 |
11 | 1092a00892 |
12 | 5aa173957 |
13 | 315bb6396 |
14 | 1a11cc7d1 |
15 | eccce421 |
hex | 974e3c93 |
2538486931 has 8 divisors (see below), whose sum is σ = 2649763584. Its totient is φ = 2427285960.
The previous prime is 2538486913. The next prime is 2538486943. The reversal of 2538486931 is 1396848352.
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 2538486931 - 27 = 2538486803 is a prime.
It is a super-2 number, since 2×25384869312 = 12887831797715597522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2538481931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55986 + ... + 90616.
It is an arithmetic number, because the mean of its divisors is an integer number (331220448).
Almost surely, 22538486931 is an apocalyptic number.
2538486931 is a deficient number, since it is larger than the sum of its proper divisors (111276653).
2538486931 is a wasteful number, since it uses less digits than its factorization.
2538486931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37841.
The product of its digits is 1244160, while the sum is 49.
The square root of 2538486931 is about 50383.3993593128. The cubic root of 2538486931 is about 1364.1380114150.
The spelling of 2538486931 in words is "two billion, five hundred thirty-eight million, four hundred eighty-six thousand, nine hundred thirty-one".
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