Base | Representation |
---|---|
bin | 11001111111011111001111… |
… | …01100111000010110111110 |
3 | 21111101011020210111212121210 |
4 | 30333233213230320112332 |
5 | 24442430032340004300 |
6 | 321321323212305250 |
7 | 15016313111203152 |
oct | 1477574754702676 |
9 | 244334223455553 |
10 | 57157017109950 |
11 | 172371780950aa |
12 | 64b14b5472226 |
13 | 25b7b64314804 |
14 | 10185b3123062 |
15 | 691bb9ed7050 |
hex | 33fbe7b385be |
57157017109950 has 48 divisors (see below), whose sum is σ = 141777908084016. Its totient is φ = 15238806105600.
The previous prime is 57157017109919. The next prime is 57157017109957. The reversal of 57157017109950 is 5990171075175.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57157017109957) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37565611 + ... + 39057510.
It is an arithmetic number, because the mean of its divisors is an integer number (2953706418417).
Almost surely, 257157017109950 is an apocalyptic number.
57157017109950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
57157017109950 is an abundant number, since it is smaller than the sum of its proper divisors (84620890974066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57157017109950 is a wasteful number, since it uses less digits than its factorization.
57157017109950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76628109 (or 76628104 counting only the distinct ones).
The product of its (nonzero) digits is 3472875, while the sum is 57.
The spelling of 57157017109950 in words is "fifty-seven trillion, one hundred fifty-seven billion, seventeen million, one hundred nine thousand, nine hundred fifty".
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