Base | Representation |
---|---|
bin | 1001011110010110… |
… | …0110001010010000 |
3 | 20120020111201110100 |
4 | 2113211212022100 |
5 | 20202030341443 |
6 | 1100205532400 |
7 | 120010654500 |
oct | 22745461220 |
9 | 6506451410 |
10 | 2543215248 |
11 | 1095640292 |
12 | 5ab874100 |
13 | 316b805c2 |
14 | 1a1a9da00 |
15 | ed4153d3 |
hex | 97966290 |
2543215248 has 180 divisors, whose sum is σ = 8640036288. Its totient is φ = 694995840.
The previous prime is 2543215223. The next prime is 2543215273. The reversal of 2543215248 is 8425123452.
2543215248 is a `hidden beast` number, since 2 + 543 + 21 + 52 + 48 = 666.
It is an interprime number because it is at equal distance from previous prime (2543215223) and next prime (2543215273).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 154453 + ... + 170123.
Almost surely, 22543215248 is an apocalyptic number.
2543215248 is a gapful number since it is divisible by the number (28) 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 2543215248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4320018144).
2543215248 is an abundant number, since it is smaller than the sum of its proper divisors (6096821040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2543215248 is a wasteful number, since it uses less digits than its factorization.
2543215248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15722 (or 15706 counting only the distinct ones).
The product of its digits is 76800, while the sum is 36.
The square root of 2543215248 is about 50430.3008914284. The cubic root of 2543215248 is about 1364.9844574167.
The spelling of 2543215248 in words is "two billion, five hundred forty-three million, two hundred fifteen thousand, two hundred forty-eight".
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