Base | Representation |
---|---|
bin | 101001001001011… |
… | …1101010110000000 |
3 | 10120020000220111010 |
4 | 1102102331112000 |
5 | 10311424422233 |
6 | 345001120520 |
7 | 46133525001 |
oct | 12222752600 |
9 | 3506026433 |
10 | 1380701568 |
11 | 649408584 |
12 | 326489140 |
13 | 19008279c |
14 | d152b1a8 |
15 | 81331b63 |
hex | 524bd580 |
1380701568 has 64 divisors (see below), whose sum is σ = 3756982320. Its totient is φ = 449003520.
The previous prime is 1380701561. The next prime is 1380701573. The reversal of 1380701568 is 8651070831.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1380701561) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28105 + ... + 59592.
Almost surely, 21380701568 is an apocalyptic number.
It is an amenable number.
1380701568 is an abundant number, since it is smaller than the sum of its proper divisors (2376280752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1380701568 is an equidigital number, since it uses as much as digits as its factorization.
1380701568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87755 (or 87743 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 39.
The square root of 1380701568 is about 37157.7928300377. The cubic root of 1380701568 is about 1113.5249164927.
The spelling of 1380701568 in words is "one billion, three hundred eighty million, seven hundred one thousand, five hundred sixty-eight".
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