Base | Representation |
---|---|
bin | 11110111100101111100100… |
… | …01001000000101101001111 |
3 | 22220222021010102220022212221 |
4 | 33132113302021000231033 |
5 | 32410024403212103313 |
6 | 400425155221440211 |
7 | 20223005130463255 |
oct | 1736276211005517 |
9 | 286867112808787 |
10 | 68057819253583 |
11 | 1a75a182783335 |
12 | 7772089b70067 |
13 | 2bc8a9517c923 |
14 | 12b4031da05d5 |
15 | 7d0517aa3c8d |
hex | 3de5f2240b4f |
68057819253583 has 8 divisors (see below), whose sum is σ = 72748973285856. Its totient is φ = 63511008422400.
The previous prime is 68057819253493. The next prime is 68057819253643. The reversal of 68057819253583 is 38535291875086.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68057819253583 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68057819353583) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36085799298 + ... + 36085801183.
It is an arithmetic number, because the mean of its divisors is an integer number (9093621660732).
Almost surely, 268057819253583 is an apocalyptic number.
68057819253583 is a deficient number, since it is larger than the sum of its proper divisors (4691154032273).
68057819253583 is a wasteful number, since it uses less digits than its factorization.
68057819253583 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72171600545.
The product of its (nonzero) digits is 435456000, while the sum is 70.
The spelling of 68057819253583 in words is "sixty-eight trillion, fifty-seven billion, eight hundred nineteen million, two hundred fifty-three thousand, five hundred eighty-three".
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