| Base | Representation |
|---|---|
| bin | 100110110010010… |
| … | …0011111110000000 |
| 3 | 10100200212111112110 |
| 4 | 1031210203332000 |
| 5 | 10131131231034 |
| 6 | 333050055320 |
| 7 | 44151654660 |
| oct | 11544437600 |
| 9 | 3320774473 |
| 10 | 1301430144 |
| 11 | 608694803 |
| 12 | 303a1a540 |
| 13 | 179818c11 |
| 14 | c4bb41a0 |
| 15 | 793c3de9 |
| hex | 4d923f80 |
1301430144 has 128 divisors (see below), whose sum is σ = 3967130880. Its totient is φ = 370298880.
The previous prime is 1301430133. The next prime is 1301430149. The reversal of 1301430144 is 4410341031.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 1301430144.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1301430149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754467 + ... + 756189.
It is an arithmetic number, because the mean of its divisors is an integer number (30993210).
Almost surely, 21301430144 is an apocalyptic number.
1301430144 is a gapful number since it is divisible by the number (14) 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 1301430144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1983565440).
1301430144 is an abundant number, since it is smaller than the sum of its proper divisors (2665700736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1301430144 is a wasteful number, since it uses less digits than its factorization.
1301430144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2028 (or 2016 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 1301430144 is about 36075.3398320792. The cubic root of 1301430144 is about 1091.7929540775.
Adding to 1301430144 its reverse (4410341031), we get a palindrome (5711771175).
The spelling of 1301430144 in words is "one billion, three hundred one million, four hundred thirty thousand, one hundred forty-four".
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