Base | Representation |
---|---|
bin | 110101011101101001… |
… | …010000101001011110 |
3 | 12111011200220021211010 |
4 | 311131221100221132 |
5 | 1420031323001110 |
6 | 42212150440050 |
7 | 4101365106210 |
oct | 653551205136 |
9 | 174150807733 |
10 | 57405672030 |
11 | 22389007063 |
12 | b161063026 |
13 | 554b121b95 |
14 | 2ac80ca5b0 |
15 | 175eae3020 |
hex | d5da50a5e |
57405672030 has 64 divisors (see below), whose sum is σ = 157563445248. Its totient is φ = 13112305920.
The previous prime is 57405672017. The next prime is 57405672043. The reversal of 57405672030 is 3027650475.
It is an interprime number because it is at equal distance from previous prime (57405672017) and next prime (57405672043).
It is a super-2 number, since 2×574056720302 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 57405672030.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215994 + ... + 401826.
It is an arithmetic number, because the mean of its divisors is an integer number (2461928832).
Almost surely, 257405672030 is an apocalyptic number.
57405672030 is an abundant number, since it is smaller than the sum of its proper divisors (100157773218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57405672030 is a wasteful number, since it uses less digits than its factorization.
57405672030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187321.
The product of its (nonzero) digits is 176400, while the sum is 39.
The spelling of 57405672030 in words is "fifty-seven billion, four hundred five million, six hundred seventy-two thousand, thirty".
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