Base | Representation |
---|---|
bin | 11111010100111000010001… |
… | …11100101110110101000000 |
3 | 100000220112201120111200101000 |
4 | 33222130020330232311000 |
5 | 33012121320413124340 |
6 | 402302151054012000 |
7 | 20336634212554110 |
oct | 1752341074566500 |
9 | 300815646450330 |
10 | 68887130598720 |
11 | 1aa49960380505 |
12 | 78869547a7000 |
13 | 2c5904a924bb5 |
14 | 130222510b040 |
15 | 7e6da42ddd30 |
hex | 3ea708f2ed40 |
68887130598720 has 672 divisors, whose sum is σ = 283770958959360. Its totient is φ = 15410586562560.
The previous prime is 68887130598667. The next prime is 68887130598749. The reversal of 68887130598720 is 2789503178886.
68887130598720 is a `hidden beast` number, since 6 + 8 + 8 + 8 + 7 + 1 + 3 + 0 + 598 + 7 + 20 = 666.
68887130598720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (672).
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 133342510 + ... + 133858130.
Almost surely, 268887130598720 is an apocalyptic number.
68887130598720 is a gapful number since it is divisible by the number (60) 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 68887130598720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141885479479680).
68887130598720 is an abundant number, since it is smaller than the sum of its proper divisors (214883828360640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68887130598720 is a wasteful number, since it uses less digits than its factorization.
68887130598720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 515748 (or 515685 counting only the distinct ones).
The product of its (nonzero) digits is 325140480, while the sum is 72.
The spelling of 68887130598720 in words is "sixty-eight trillion, eight hundred eighty-seven billion, one hundred thirty million, five hundred ninety-eight thousand, seven hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •