Base | Representation |
---|---|
bin | 110010000011110100010… |
… | …0001101010001100111100 |
3 | 220100201212001100002001220 |
4 | 1210013220201222030330 |
5 | 1400211013301403440 |
6 | 22344405554433340 |
7 | 1310034243123360 |
oct | 144075041521474 |
9 | 26321761302056 |
10 | 6880143778620 |
11 | 2212941886232 |
12 | 931502292850 |
13 | 3aba44172488 |
14 | 19b0020392a0 |
15 | bde7d1998d0 |
hex | 641e886a33c |
6880143778620 has 96 divisors (see below), whose sum is σ = 22025990009856. Its totient is φ = 1571923584000.
The previous prime is 6880143778591. The next prime is 6880143778637. The reversal of 6880143778620 is 268773410886.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2573581 + ... + 4514820.
It is an arithmetic number, because the mean of its divisors is an integer number (229437395936).
Almost surely, 26880143778620 is an apocalyptic number.
6880143778620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
6880143778620 is an abundant number, since it is smaller than the sum of its proper divisors (15145846231236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6880143778620 is a wasteful number, since it uses less digits than its factorization.
6880143778620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7090731 (or 7090729 counting only the distinct ones).
The product of its (nonzero) digits is 21676032, while the sum is 60.
The spelling of 6880143778620 in words is "six trillion, eight hundred eighty billion, one hundred forty-three million, seven hundred seventy-eight thousand, six hundred twenty".
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