Base | Representation |
---|---|
bin | 1011100011001000… |
… | …0010010001010000 |
3 | 22000001102121222022 |
4 | 2320302002101100 |
5 | 22322112433430 |
6 | 1231342231012 |
7 | 136552423043 |
oct | 27062022120 |
9 | 8001377868 |
10 | 3100124240 |
11 | 1350a37254 |
12 | 726285468 |
13 | 3a536c755 |
14 | 215a2ac5a |
15 | 1322704e5 |
hex | b8c82450 |
3100124240 has 20 divisors (see below), whose sum is σ = 7207789044. Its totient is φ = 1240049664.
The previous prime is 3100124239. The next prime is 3100124257. The reversal of 3100124240 is 424210013.
It can be written as a sum of positive squares in 2 ways, for example, as 1440050704 + 1660073536 = 37948^2 + 40744^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a super-2 number, since 2×31001242402 = 19221540606871155200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19375697 + ... + 19375856.
Almost surely, 23100124240 is an apocalyptic number.
It is an amenable number.
3100124240 is an abundant number, since it is smaller than the sum of its proper divisors (4107664804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3100124240 is a wasteful number, since it uses less digits than its factorization.
3100124240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38751566 (or 38751560 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 3100124240 is about 55678.7593252580. The cubic root of 3100124240 is about 1458.1192145247.
Adding to 3100124240 its reverse (424210013), we get a palindrome (3524334253).
The spelling of 3100124240 in words is "three billion, one hundred million, one hundred twenty-four thousand, two hundred forty".
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