Base | Representation |
---|---|
bin | 101000001011011… |
… | …0001101010100000 |
3 | 10110221210000012200 |
4 | 1100112301222200 |
5 | 10230111212442 |
6 | 341435253200 |
7 | 45260032161 |
oct | 12026615240 |
9 | 3427700180 |
10 | 1348147872 |
11 | 631aa34a5 |
12 | 3175aa200 |
13 | 1863c5346 |
14 | cb095768 |
15 | 7d55134c |
hex | 505b1aa0 |
1348147872 has 72 divisors (see below), whose sum is σ = 4059327636. Its totient is φ = 422946816.
The previous prime is 1348147847. The next prime is 1348147901. The reversal of 1348147872 is 2787418431.
1348147872 is a `hidden beast` number, since 1 + 34 + 81 + 478 + 72 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1250612496 + 97535376 = 35364^2 + 9876^2 .
It is a tau number, because it is divible by the number of its divisors (72).
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, 132783 + ... + 142574.
Almost surely, 21348147872 is an apocalyptic number.
1348147872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1348147872 is an abundant number, since it is smaller than the sum of its proper divisors (2711179764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1348147872 is a wasteful number, since it uses less digits than its factorization.
1348147872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275390 (or 275379 counting only the distinct ones).
The product of its digits is 301056, while the sum is 45.
The square root of 1348147872 is about 36717.1332214268. The cubic root of 1348147872 is about 1104.7037888016.
The spelling of 1348147872 in words is "one billion, three hundred forty-eight million, one hundred forty-seven thousand, eight hundred seventy-two".
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