| Base | Representation |
|---|---|
| bin | 100111100000100… |
| … | …0001100101001000 |
| 3 | 10102101110221120000 |
| 4 | 1033001001211020 |
| 5 | 10203332344210 |
| 6 | 335313403000 |
| 7 | 44564666160 |
| oct | 11701014510 |
| 9 | 3371427500 |
| 10 | 1325668680 |
| 11 | 62033a556 |
| 12 | 30bb69460 |
| 13 | 18185464b |
| 14 | c80c35a0 |
| 15 | 7b5b0ac0 |
| hex | 4f041948 |
1325668680 has 160 divisors (see below), whose sum is σ = 5092338240. Its totient is φ = 303004800.
The previous prime is 1325668667. The next prime is 1325668681. The reversal of 1325668680 is 868665231.
1325668680 is a `hidden beast` number, since 1 + 3 + 2 + 566 + 8 + 6 + 80 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (1325668681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6546 + ... + 51905.
It is an arithmetic number, because the mean of its divisors is an integer number (31827114).
Almost surely, 21325668680 is an apocalyptic number.
1325668680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1325668680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2546169120).
1325668680 is an abundant number, since it is smaller than the sum of its proper divisors (3766669560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1325668680 is a wasteful number, since it uses less digits than its factorization.
1325668680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58481 (or 58468 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 45.
The square root of 1325668680 is about 36409.7333140467. The cubic root of 1325668680 is about 1098.5293514924.
It can be divided in two parts, 132566 and 8680, that added together give a triangular number (141246 = T531).
The spelling of 1325668680 in words is "one billion, three hundred twenty-five million, six hundred sixty-eight thousand, six hundred eighty".
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