Base | Representation |
---|---|
bin | 110101001001101001… |
… | …101111100111011101 |
3 | 12110022022202022112202 |
4 | 311021221233213131 |
5 | 1413334441121212 |
6 | 42115005341245 |
7 | 4060153105541 |
oct | 651151574735 |
9 | 173268668482 |
10 | 57070254557 |
11 | 22226741a38 |
12 | b088867825 |
13 | 54c67a32c4 |
14 | 2a95737a21 |
15 | 174043a0c2 |
hex | d49a6f9dd |
57070254557 has 8 divisors (see below), whose sum is σ = 57872900280. Its totient is φ = 56268172800.
The previous prime is 57070254529. The next prime is 57070254587. The reversal of 57070254557 is 75545207075.
It can be written as a sum of positive squares in 4 ways, for example, as 8031923641 + 49038330916 = 89621^2 + 221446^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57070254557 - 28 = 57070254301 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 (57070254587) 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, 64919 + ... + 344027.
It is an arithmetic number, because the mean of its divisors is an integer number (7234112535).
Almost surely, 257070254557 is an apocalyptic number.
It is an amenable number.
57070254557 is a deficient number, since it is larger than the sum of its proper divisors (802645723).
57070254557 is a wasteful number, since it uses less digits than its factorization.
57070254557 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281983.
The product of its (nonzero) digits is 1715000, while the sum is 47.
The spelling of 57070254557 in words is "fifty-seven billion, seventy million, two hundred fifty-four thousand, five hundred fifty-seven".
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