Base | Representation |
---|---|
bin | 11110111100100111110110… |
… | …00001110110010011100010 |
3 | 22220221212102111202022220020 |
4 | 33132103323001312103202 |
5 | 32404442410342403433 |
6 | 400423232001454310 |
7 | 20222500316363160 |
oct | 1736237301662342 |
9 | 286855374668806 |
10 | 68053673403618 |
11 | 1a758445531951 |
12 | 7771311641396 |
13 | 2bc8584283276 |
14 | 12b3b5b522230 |
15 | 7d0373b1dcb3 |
hex | 3de4fb0764e2 |
68053673403618 has 64 divisors (see below), whose sum is σ = 159375709194240. Its totient is φ = 18967025774592.
The previous prime is 68053673403613. The next prime is 68053673403659. The reversal of 68053673403618 is 81630437635086.
It is not an unprimeable number, because it can be changed into a prime (68053673403613) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23111830 + ... + 25889457.
It is an arithmetic number, because the mean of its divisors is an integer number (2490245456160).
Almost surely, 268053673403618 is an apocalyptic number.
68053673403618 is an abundant number, since it is smaller than the sum of its proper divisors (91322035790622).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68053673403618 is a wasteful number, since it uses less digits than its factorization.
68053673403618 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49002111.
The product of its (nonzero) digits is 52254720, while the sum is 60.
The spelling of 68053673403618 in words is "sixty-eight trillion, fifty-three billion, six hundred seventy-three million, four hundred three thousand, six hundred eighteen".
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