Base | Representation |
---|---|
bin | 100110110001101… |
… | …0110010101010000 |
3 | 10100200021100022200 |
4 | 1031203112111100 |
5 | 10131041042034 |
6 | 333035203200 |
7 | 44146161603 |
oct | 11543262520 |
9 | 3320240280 |
10 | 1301112144 |
11 | 6084978a2 |
12 | 3038a6500 |
13 | 179737257 |
14 | c4b3033a |
15 | 7935ea99 |
hex | 4d8d6550 |
1301112144 has 60 divisors (see below), whose sum is σ = 3766881300. Its totient is φ = 418747392.
The previous prime is 1301112121. The next prime is 1301112161. The reversal of 1301112144 is 4412111031.
It can be written as a sum of positive squares in 2 ways, for example, as 650250000 + 650862144 = 25500^2 + 25512^2 .
It is a super-2 number, since 2×13011121442 = 3385785622528553472, 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 an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151609 + ... + 159960.
It is an arithmetic number, because the mean of its divisors is an integer number (62781355).
Almost surely, 21301112144 is an apocalyptic number.
It is an amenable number.
1301112144 is an abundant number, since it is smaller than the sum of its proper divisors (2465769156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1301112144 is a wasteful number, since it uses less digits than its factorization.
1301112144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311612 (or 311603 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 1301112144 is about 36070.9321199217. The cubic root of 1301112144 is about 1091.7040215435.
Adding to 1301112144 its reverse (4412111031), we get a palindrome (5713223175).
The spelling of 1301112144 in words is "one billion, three hundred one million, one hundred twelve thousand, one hundred forty-four".
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