Base | Representation |
---|---|
bin | 11101110101010110000… |
… | …011011111010101010100 |
3 | 21020222210000001002001222 |
4 | 131311112003133111110 |
5 | 232042143121434130 |
6 | 4205453414505512 |
7 | 301055313202634 |
oct | 35652603372524 |
9 | 7228700032058 |
10 | 2050143155540 |
11 | 7205084007a7 |
12 | 2913b8965298 |
13 | 11b434b777cc |
14 | 713282066c4 |
15 | 384e01edce5 |
hex | 1dd560df554 |
2050143155540 has 24 divisors (see below), whose sum is σ = 4306083497352. Its totient is φ = 819908144000.
The previous prime is 2050143155537. The next prime is 2050143155563. The reversal of 2050143155540 is 455513410502.
It can be written as a sum of positive squares in 4 ways, for example, as 575176627216 + 1474966528324 = 758404^2 + 1214482^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 2050143155540.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9207119 + ... + 9427158.
It is an arithmetic number, because the mean of its divisors is an integer number (179420145723).
Almost surely, 22050143155540 is an apocalyptic number.
2050143155540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2050143155540 is an abundant number, since it is smaller than the sum of its proper divisors (2255940341812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2050143155540 is a wasteful number, since it uses less digits than its factorization.
2050143155540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18639787 (or 18639785 counting only the distinct ones).
The product of its (nonzero) digits is 60000, while the sum is 35.
The spelling of 2050143155540 in words is "two trillion, fifty billion, one hundred forty-three million, one hundred fifty-five thousand, five hundred forty".
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