| Base | Representation |
|---|---|
| bin | 111110101010000… |
| … | …000110000011100 |
| 3 | 2201021000112001100 |
| 4 | 332222000300130 |
| 5 | 4123101404130 |
| 6 | 252150513100 |
| 7 | 35023025415 |
| oct | 7652006034 |
| 9 | 2637015040 |
| 10 | 1051200540 |
| 11 | 49a414585 |
| 12 | 254065790 |
| 13 | 139a25b70 |
| 14 | 9d87880c |
| 15 | 62446c60 |
| hex | 3ea80c1c |
1051200540 has 144 divisors (see below), whose sum is σ = 3444936768. Its totient is φ = 257928192.
The previous prime is 1051200539. The next prime is 1051200547. The reversal of 1051200540 is 450021501.
1051200540 is a `hidden beast` number, since 1 + 0 + 5 + 120 + 0 + 540 = 666.
It is a super-2 number, since 2×10512005402 = 2210045150592583200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1051200547) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1068889 + ... + 1069871.
It is an arithmetic number, because the mean of its divisors is an integer number (23923172).
Almost surely, 21051200540 is an apocalyptic number.
1051200540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1051200540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1722468384).
1051200540 is an abundant number, since it is smaller than the sum of its proper divisors (2393736228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1051200540 is a wasteful number, since it uses less digits than its factorization.
1051200540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1468 (or 1463 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 1051200540 is about 32422.2229342777. Note that the first 3 decimals coincide. The cubic root of 1051200540 is about 1016.7835821230.
The spelling of 1051200540 in words is "one billion, fifty-one million, two hundred thousand, five hundred forty".
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