Base | Representation |
---|---|
bin | 11010010101010011111110… |
… | …00100001111000111110100 |
3 | 21121000211210002112100021121 |
4 | 31022221333010033013310 |
5 | 30042221243002322440 |
6 | 323054015343553324 |
7 | 15124430330233462 |
oct | 1512517704170764 |
9 | 247024702470247 |
10 | 57906880901620 |
11 | 174a6196704483 |
12 | 65b28a92bb844 |
13 | 2640798240c0a |
14 | 10429caa1d832 |
15 | 6a64569cb34a |
hex | 34aa7f10f1f4 |
57906880901620 has 96 divisors (see below), whose sum is σ = 132581499303456. Its totient is φ = 21158323814400.
The previous prime is 57906880901543. The next prime is 57906880901627. The reversal of 57906880901620 is 2610908860975.
It can be written as a sum of positive squares in 16 ways, for example, as 47181347601424 + 10725533300196 = 6868868^2 + 3274986^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57906880901627) 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, 8071261 + ... + 13452100.
It is an arithmetic number, because the mean of its divisors is an integer number (1381057284411).
Almost surely, 257906880901620 is an apocalyptic number.
It is an amenable number.
57906880901620 is an abundant number, since it is smaller than the sum of its proper divisors (74674618401836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57906880901620 is a wasteful number, since it uses less digits than its factorization.
57906880901620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21523621 (or 21523619 counting only the distinct ones).
The product of its (nonzero) digits is 13063680, while the sum is 61.
The spelling of 57906880901620 in words is "fifty-seven trillion, nine hundred six billion, eight hundred eighty million, nine hundred one thousand, six hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •