Base | Representation |
---|---|
bin | 100011111011000010… |
… | …1100100111011101000 |
3 | 21101010020100120112211 |
4 | 1013312011210323220 |
5 | 2230442113214120 |
6 | 55234500214504 |
7 | 5400451353316 |
oct | 1076605447350 |
9 | 241106316484 |
10 | 77143101160 |
11 | 2a7972a6764 |
12 | 12b4b09a434 |
13 | 73752a5328 |
14 | 3a3b5830b6 |
15 | 201779525a |
hex | 11f6164ee8 |
77143101160 has 128 divisors (see below), whose sum is σ = 188965314720. Its totient is φ = 28224847872.
The previous prime is 77143101137. The next prime is 77143101163. The reversal of 77143101160 is 6110134177.
It can be written as a sum of positive squares in 16 ways, for example, as 503822916 + 76639278244 = 22446^2 + 276838^2 .
It is not an unprimeable number, because it can be changed into a prime (77143101163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41185984 + ... + 41187856.
Almost surely, 277143101160 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 77143101160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94482657360).
77143101160 is an abundant number, since it is smaller than the sum of its proper divisors (111822213560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
77143101160 is a wasteful number, since it uses less digits than its factorization.
77143101160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3575 (or 3571 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 31.
The spelling of 77143101160 in words is "seventy-seven billion, one hundred forty-three million, one hundred one thousand, one hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •