Base | Representation |
---|---|
bin | 111100010011000100… |
… | …0100011000000000000 |
3 | 110101020022000021021110 |
4 | 1320212020203000000 |
5 | 4110143112343400 |
6 | 135253014123320 |
7 | 12232565404455 |
oct | 1704610430000 |
9 | 411208007243 |
10 | 129488793600 |
11 | 4aa09059201 |
12 | 21119650540 |
13 | c297cc7a3a |
14 | 63a563782c |
15 | 357d034e50 |
hex | 1e26223000 |
129488793600 has 312 divisors, whose sum is σ = 431625072640. Its totient is φ = 34248130560.
The previous prime is 129488793583. The next prime is 129488793607. The reversal of 129488793600 is 6397884921.
It is not an unprimeable number, because it can be changed into a prime (129488793607) 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 23 ways as a sum of consecutive naturals, for example, 39012741 + ... + 39016059.
Almost surely, 2129488793600 is an apocalyptic number.
129488793600 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 129488793600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215812536320).
129488793600 is an abundant number, since it is smaller than the sum of its proper divisors (302136279040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129488793600 is a wasteful number, since it uses less digits than its factorization.
129488793600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3483 (or 3456 counting only the distinct ones).
The product of its (nonzero) digits is 5225472, while the sum is 57.
The spelling of 129488793600 in words is "one hundred twenty-nine billion, four hundred eighty-eight million, seven hundred ninety-three thousand, six hundred".
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