Base | Representation |
---|---|
bin | 1010101100000001… |
… | …0010001011000111 |
3 | 21101221111012110100 |
4 | 2223000102023013 |
5 | 21333424302000 |
6 | 1152404055143 |
7 | 131044625304 |
oct | 25300221307 |
9 | 7357435410 |
10 | 2868978375 |
11 | 1242510a0a |
12 | 6809944b3 |
13 | 3694cba53 |
14 | 1d305c0ab |
15 | 11bd12a00 |
hex | ab0122c7 |
2868978375 has 24 divisors (see below), whose sum is σ = 5171813712. Its totient is φ = 1530121200.
The previous prime is 2868978373. The next prime is 2868978379. The reversal of 2868978375 is 5738798682.
It is not a de Polignac number, because 2868978375 - 21 = 2868978373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2868978373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1273977 + ... + 1276226.
It is an arithmetic number, because the mean of its divisors is an integer number (215492238).
Almost surely, 22868978375 is an apocalyptic number.
2868978375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2868978375 is a deficient number, since it is larger than the sum of its proper divisors (2302835337).
2868978375 is a wasteful number, since it uses less digits than its factorization.
2868978375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2550224 (or 2550211 counting only the distinct ones).
The product of its digits is 40642560, while the sum is 63.
The square root of 2868978375 is about 53562.8450980715. The cubic root of 2868978375 is about 1420.9400597690.
The spelling of 2868978375 in words is "two billion, eight hundred sixty-eight million, nine hundred seventy-eight thousand, three hundred seventy-five".
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