Base | Representation |
---|---|
bin | 100101010000101… |
… | …0110001000110100 |
3 | 10020010120120000000 |
4 | 1022201112020310 |
5 | 10030031133122 |
6 | 324021151300 |
7 | 42660665340 |
oct | 11241261064 |
9 | 3203516000 |
10 | 1250255412 |
11 | 59181143a |
12 | 2aa85b530 |
13 | 16c03bc03 |
14 | bc092620 |
15 | 74b660ac |
hex | 4a856234 |
1250255412 has 192 divisors, whose sum is σ = 3974100480. Its totient is φ = 335923200.
The previous prime is 1250255381. The next prime is 1250255417. The reversal of 1250255412 is 2145520521.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1250255417) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1040412 + ... + 1041612.
It is an arithmetic number, because the mean of its divisors is an integer number (20698440).
Almost surely, 21250255412 is an apocalyptic number.
1250255412 is a gapful number since it is divisible by the number (12) 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 1250255412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1987050240).
1250255412 is an abundant number, since it is smaller than the sum of its proper divisors (2723845068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1250255412 is a wasteful number, since it uses less digits than its factorization.
1250255412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1250 (or 1230 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 1250255412 is about 35358.9509459769. The cubic root of 1250255412 is about 1077.2907091491.
Adding to 1250255412 its reverse (2145520521), we get a palindrome (3395775933).
The spelling of 1250255412 in words is "one billion, two hundred fifty million, two hundred fifty-five thousand, four hundred twelve".
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