Base | Representation |
---|---|
bin | 11111001110111000000101… |
… | …01101100101011110100000 |
3 | 100000011211022202011101021110 |
4 | 33213130002231211132200 |
5 | 33000231404042103002 |
6 | 402023315512423320 |
7 | 20316012631466304 |
oct | 1747340255453640 |
9 | 300154282141243 |
10 | 68680867534752 |
11 | 1a97a435242690 |
12 | 785298b6a7b40 |
13 | 2c42768ba2215 |
14 | 12d62592ddd04 |
15 | 7e18310bbe6c |
hex | 3e7702b657a0 |
68680867534752 has 768 divisors, whose sum is σ = 224073861967872. Its totient is φ = 18160988651520.
The previous prime is 68680867534717. The next prime is 68680867534817. The reversal of 68680867534752 is 25743576808686.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1816310598 + ... + 1816348410.
It is an arithmetic number, because the mean of its divisors is an integer number (291762841104).
Almost surely, 268680867534752 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 68680867534752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112036930983936).
68680867534752 is an abundant number, since it is smaller than the sum of its proper divisors (155392994433120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68680867534752 is a wasteful number, since it uses less digits than its factorization.
68680867534752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38013 (or 38005 counting only the distinct ones).
The product of its (nonzero) digits is 3251404800, while the sum is 75.
The spelling of 68680867534752 in words is "sixty-eight trillion, six hundred eighty billion, eight hundred sixty-seven million, five hundred thirty-four thousand, seven hundred fifty-two".
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