Base | Representation |
---|---|
bin | 110101111100110011… |
… | …010101111010100100 |
3 | 12112112010112001210000 |
4 | 311330303111322210 |
5 | 1422114133034430 |
6 | 42340102501300 |
7 | 4120343231016 |
oct | 657463257244 |
9 | 175463461700 |
10 | 57928408740 |
11 | 22627092974 |
12 | b288134830 |
13 | 5602507c47 |
14 | 2b376c01b6 |
15 | 179094ce60 |
hex | d7ccd5ea4 |
57928408740 has 120 divisors (see below), whose sum is σ = 182504682360. Its totient is φ = 15381176832.
The previous prime is 57928408711. The next prime is 57928408807. The reversal of 57928408740 is 4780482975.
It is a happy number.
57928408740 is a `hidden beast` number, since 579 + 28 + 4 + 0 + 8 + 7 + 40 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 11458846116 + 46469562624 = 107046^2 + 215568^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 300726 + ... + 454194.
It is an arithmetic number, because the mean of its divisors is an integer number (1520872353).
Almost surely, 257928408740 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 57928408740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91252341180).
57928408740 is an abundant number, since it is smaller than the sum of its proper divisors (124576273620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57928408740 is a wasteful number, since it uses less digits than its factorization.
57928408740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153723 (or 153712 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 54.
The spelling of 57928408740 in words is "fifty-seven billion, nine hundred twenty-eight million, four hundred eight thousand, seven hundred forty".
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