Base | Representation |
---|---|
bin | 1011100011000110… |
… | …1000011100111101 |
3 | 22000001020020220202 |
4 | 2320301220130331 |
5 | 22322101042433 |
6 | 1231340053245 |
7 | 136551502535 |
oct | 27061503475 |
9 | 8001206822 |
10 | 3100018493 |
11 | 1350974860 |
12 | 726234225 |
13 | 3a5333590 |
14 | 215a004c5 |
15 | 13224dee8 |
hex | b8c6873d |
3100018493 has 16 divisors (see below), whose sum is σ = 3856216896. Its totient is φ = 2448387840.
The previous prime is 3100018409. The next prime is 3100018513. The reversal of 3100018493 is 3948100013.
It is a cyclic number.
It is not a de Polignac number, because 3100018493 - 28 = 3100018237 is a prime.
It is a super-2 number, since 2×31000184932 = 19220229313883982098, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3100018193) 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 15 ways as a sum of consecutive naturals, for example, 635171 + ... + 640032.
It is an arithmetic number, because the mean of its divisors is an integer number (241013556).
Almost surely, 23100018493 is an apocalyptic number.
It is an amenable number.
3100018493 is a deficient number, since it is larger than the sum of its proper divisors (756198403).
3100018493 is a wasteful number, since it uses less digits than its factorization.
3100018493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1275244.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 3100018493 is about 55677.8097000951. The cubic root of 3100018493 is about 1458.1026352444.
Subtracting 3100018493 from its reverse (3948100013), we obtain a triangular number (848081520 = T41184).
The spelling of 3100018493 in words is "three billion, one hundred million, eighteen thousand, four hundred ninety-three".
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