Base | Representation |
---|---|
bin | 1111100101011… |
… | …11110010010100 |
3 | 100010000110021210 |
4 | 13302233302110 |
5 | 231432242234 |
6 | 20550141420 |
7 | 3145205136 |
oct | 762576224 |
9 | 303013253 |
10 | 130743444 |
11 | 6788a537 |
12 | 37951870 |
13 | 21118cb0 |
14 | 13515056 |
15 | b728be9 |
hex | 7cafc94 |
130743444 has 24 divisors (see below), whose sum is σ = 328535200. Its totient is φ = 40228704.
The previous prime is 130743439. The next prime is 130743451. The reversal of 130743444 is 444347031.
It is a super-2 number, since 2×1307434442 = 34187696297962272, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418894 + ... + 419205.
Almost surely, 2130743444 is an apocalyptic number.
It is an amenable number.
130743444 is an abundant number, since it is smaller than the sum of its proper divisors (197791756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130743444 is a wasteful number, since it uses less digits than its factorization.
130743444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 838119 (or 838117 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 30.
The square root of 130743444 is about 11434.3099485714. The cubic root of 130743444 is about 507.5435429002.
The spelling of 130743444 in words is "one hundred thirty million, seven hundred forty-three thousand, four hundred forty-four".
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