Base | Representation |
---|---|
bin | 110101100011101000… |
… | …010111010011000101 |
3 | 12111102200212120200011 |
4 | 311203220113103011 |
5 | 1420233030203141 |
6 | 42230135150221 |
7 | 4104024534310 |
oct | 654350272305 |
9 | 174380776604 |
10 | 57506100421 |
11 | 2242a770430 |
12 | b18a815371 |
13 | 5565b85673 |
14 | 2ad758d977 |
15 | 176882e881 |
hex | d63a174c5 |
57506100421 has 32 divisors (see below), whose sum is σ = 72149299200. Its totient is φ = 44527190400.
The previous prime is 57506100419. The next prime is 57506100433. The reversal of 57506100421 is 12400160575.
57506100421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 57506100421 - 21 = 57506100419 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57506110421) 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, 14815401 + ... + 14819281.
It is an arithmetic number, because the mean of its divisors is an integer number (2254665600).
Almost surely, 257506100421 is an apocalyptic number.
It is an amenable number.
57506100421 is a deficient number, since it is larger than the sum of its proper divisors (14643198779).
57506100421 is a wasteful number, since it uses less digits than its factorization.
57506100421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5065.
The product of its (nonzero) digits is 8400, while the sum is 31.
Adding to 57506100421 its reverse (12400160575), we get a palindrome (69906260996).
The spelling of 57506100421 in words is "fifty-seven billion, five hundred six million, one hundred thousand, four hundred twenty-one".
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