Base | Representation |
---|---|
bin | 110010001101000100011… |
… | …0011111000110101100111 |
3 | 220102122010202100222020100 |
4 | 1210122020303320311213 |
5 | 1401022211232442103 |
6 | 22401453324235143 |
7 | 1311336514632624 |
oct | 144321063706547 |
9 | 26378122328210 |
10 | 6900012780903 |
11 | 2220308371780 |
12 | 93532839bab3 |
13 | 3b088c672468 |
14 | 19bd68b8134b |
15 | be74268b5a3 |
hex | 64688cf8d67 |
6900012780903 has 96 divisors (see below), whose sum is σ = 11576031667200. Its totient is φ = 3914113766400.
The previous prime is 6900012780889. The next prime is 6900012780943. The reversal of 6900012780903 is 3090872100096.
It is not a de Polignac number, because 6900012780903 - 26 = 6900012780839 is a prime.
It is a super-2 number, since 2×69000127809032 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6900012780943) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 229763293 + ... + 229793321.
It is an arithmetic number, because the mean of its divisors is an integer number (120583663200).
Almost surely, 26900012780903 is an apocalyptic number.
6900012780903 is a deficient number, since it is larger than the sum of its proper divisors (4676018886297).
6900012780903 is a wasteful number, since it uses less digits than its factorization.
6900012780903 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30813 (or 30810 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
Adding to 6900012780903 its reverse (3090872100096), we get a palindrome (9990884880999).
The spelling of 6900012780903 in words is "six trillion, nine hundred billion, twelve million, seven hundred eighty thousand, nine hundred three".
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