Base | Representation |
---|---|
bin | 101001000111101… |
… | …0100101010000000 |
3 | 10120011020111002120 |
4 | 1102033110222000 |
5 | 10311203422410 |
6 | 344524444240 |
7 | 46122445215 |
oct | 12217245200 |
9 | 3504214076 |
10 | 1379748480 |
11 | 648917500 |
12 | 3260a9680 |
13 | 18cb0aa26 |
14 | d135db0c |
15 | 811e4570 |
hex | 523d4a80 |
1379748480 has 192 divisors, whose sum is σ = 4834922400. Its totient is φ = 334428160.
The previous prime is 1379748443. The next prime is 1379748521. The reversal of 1379748480 is 848479731.
It is a tau number, because it is divible by the number of its divisors (192).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229351 + ... + 235289.
Almost surely, 21379748480 is an apocalyptic number.
1379748480 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 1379748480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2417461200).
1379748480 is an abundant number, since it is smaller than the sum of its proper divisors (3455173920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1379748480 is a wasteful number, since it uses less digits than its factorization.
1379748480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5983 (or 5960 counting only the distinct ones).
The product of its (nonzero) digits is 1354752, while the sum is 51.
The square root of 1379748480 is about 37144.9657423452. The cubic root of 1379748480 is about 1113.2686381983.
The spelling of 1379748480 in words is "one billion, three hundred seventy-nine million, seven hundred forty-eight thousand, four hundred eighty".
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