Base | Representation |
---|---|
bin | 110010010001001110000… |
… | …0011011010100010000000 |
3 | 220110111010220022200202000 |
4 | 1210202130003122202000 |
5 | 1401143434420142033 |
6 | 22405525552024000 |
7 | 1312103421144351 |
oct | 144423403324200 |
9 | 26414126280660 |
10 | 6908925552768 |
11 | 22240713a5138 |
12 | 936bb5232000 |
13 | 3b1680031375 |
14 | 19c57276bd28 |
15 | beab4d87a13 |
hex | 6489c0da880 |
6908925552768 has 256 divisors, whose sum is σ = 21595848000000. Its totient is φ = 2168377537536.
The previous prime is 6908925552761. The next prime is 6908925552797. The reversal of 6908925552768 is 8672555298096.
6908925552768 is a `hidden beast` number, since 6 + 9 + 0 + 8 + 9 + 2 + 5 + 552 + 7 + 68 = 666.
It is a super-2 number, since 2×69089255527682 (a number of 26 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a junction number, because it is equal to n+sod(n) for n = 6908925552696 and 6908925552705.
It is not an unprimeable number, because it can be changed into a prime (6908925552761) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10380483 + ... + 11025981.
It is an arithmetic number, because the mean of its divisors is an integer number (84358781250).
Almost surely, 26908925552768 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6908925552768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10797924000000).
6908925552768 is an abundant number, since it is smaller than the sum of its proper divisors (14686922447232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6908925552768 is a wasteful number, since it uses less digits than its factorization.
6908925552768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 645704 (or 645686 counting only the distinct ones).
The product of its (nonzero) digits is 653184000, while the sum is 72.
The spelling of 6908925552768 in words is "six trillion, nine hundred eight billion, nine hundred twenty-five million, five hundred fifty-two thousand, seven hundred sixty-eight".
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