Base | Representation |
---|---|
bin | 110101100110101110… |
… | …111010111000100010 |
3 | 12111120022211000012220 |
4 | 311212232322320202 |
5 | 1420334341310230 |
6 | 42235234531510 |
7 | 4105226131335 |
oct | 654656727042 |
9 | 174508730186 |
10 | 57558150690 |
11 | 22457091587 |
12 | b1a4136b96 |
13 | 55738ab041 |
14 | 2b0045c61c |
15 | 176d1b1d10 |
hex | d66bbae22 |
57558150690 has 32 divisors (see below), whose sum is σ = 146265419520. Its totient is φ = 14445967104.
The previous prime is 57558150659. The next prime is 57558150733. The reversal of 57558150690 is 9605185575.
It is a happy number.
It is a super-2 number, since 2×575581506902 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56429050 + ... + 56430069.
It is an arithmetic number, because the mean of its divisors is an integer number (4570794360).
Almost surely, 257558150690 is an apocalyptic number.
57558150690 is an abundant number, since it is smaller than the sum of its proper divisors (88707268830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57558150690 is a wasteful number, since it uses less digits than its factorization.
57558150690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112859146.
The product of its (nonzero) digits is 1890000, while the sum is 51.
The spelling of 57558150690 in words is "fifty-seven billion, five hundred fifty-eight million, one hundred fifty thousand, six hundred ninety".
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