Base | Representation |
---|---|
bin | 11111011010101000111100… |
… | …01010101001100001010000 |
3 | 100001121110121021022021200110 |
4 | 33231110132022221201100 |
5 | 33023342143044023034 |
6 | 402533123002121320 |
7 | 20360142032011650 |
oct | 1755243612514120 |
9 | 301543537267613 |
10 | 69085055064144 |
11 | 200158975a3879 |
12 | 78b91911b0240 |
13 | 2c71900c40cb2 |
14 | 130ba3d6b0360 |
15 | 7ec0da42ede9 |
hex | 3ed51e2a9850 |
69085055064144 has 40 divisors (see below), whose sum is σ = 203965400666560. Its totient is φ = 19738587161088.
The previous prime is 69085055064139. The next prime is 69085055064203. The reversal of 69085055064144 is 44146055058096.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102805141129 + ... + 102805141800.
It is an arithmetic number, because the mean of its divisors is an integer number (5099135016664).
Almost surely, 269085055064144 is an apocalyptic number.
It is an amenable number.
69085055064144 is an abundant number, since it is smaller than the sum of its proper divisors (134880345602416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69085055064144 is a wasteful number, since it uses less digits than its factorization.
69085055064144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205610282947 (or 205610282941 counting only the distinct ones).
The product of its (nonzero) digits is 20736000, while the sum is 57.
The spelling of 69085055064144 in words is "sixty-nine trillion, eighty-five billion, fifty-five million, sixty-four thousand, one hundred forty-four".
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