Base | Representation |
---|---|
bin | 110110000000011010… |
… | …011000011110010001 |
3 | 12112200100111010100121 |
4 | 312000122120132101 |
5 | 1422230134140411 |
6 | 42350104550241 |
7 | 4122010102354 |
oct | 660032303621 |
9 | 175610433317 |
10 | 57988974481 |
11 | 2265829a8a9 |
12 | b2a4482381 |
13 | 5611c22569 |
14 | 2b4176829b |
15 | 1795e13571 |
hex | d80698791 |
57988974481 has 9 divisors (see below), whose sum is σ = 58277686449. Its totient is φ = 57701689344.
The previous prime is 57988974371. The next prime is 57988974599. The reversal of 57988974481 is 18447988975.
The square root of 57988974481 is 240809.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 657460881 + 57331513600 = 25641^2 + 239440^2 .
It is not a de Polignac number, because 57988974481 - 29 = 57988973969 is a prime.
It is a super-2 number, since 2×579889744812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 57988974481.
It is not an unprimeable number, because it can be changed into a prime (57988977481) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 61887445 + ... + 61888381.
Almost surely, 257988974481 is an apocalyptic number.
57988974481 is the 240809-th square number.
57988974481 is the 120405-th centered octagonal number.
It is an amenable number.
57988974481 is a deficient number, since it is larger than the sum of its proper divisors (288711968).
57988974481 is an frugal number, since it uses more digits than its factorization.
57988974481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2388 (or 1194 counting only the distinct ones).
The product of its digits is 162570240, while the sum is 70.
The spelling of 57988974481 in words is "fifty-seven billion, nine hundred eighty-eight million, nine hundred seventy-four thousand, four hundred eighty-one".
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