Base | Representation |
---|---|
bin | 101000111000110… |
… | …1010110000100001 |
3 | 10112121121112110101 |
4 | 1101301222300201 |
5 | 10302211142224 |
6 | 344050102401 |
7 | 45666410131 |
oct | 12161526041 |
9 | 3477545411 |
10 | 1371974689 |
11 | 644497988 |
12 | 32357aa01 |
13 | 18b318557 |
14 | d02d8ac1 |
15 | 806ab044 |
hex | 51c6ac21 |
1371974689 has 8 divisors (see below), whose sum is σ = 1409629760. Its totient is φ = 1334349936.
The previous prime is 1371974683. The next prime is 1371974699. The reversal of 1371974689 is 9864791731.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1371974689 - 27 = 1371974561 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1371974683) 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, 107902 + ... + 119944.
It is an arithmetic number, because the mean of its divisors is an integer number (176203720).
Almost surely, 21371974689 is an apocalyptic number.
It is an amenable number.
1371974689 is a deficient number, since it is larger than the sum of its proper divisors (37655071).
1371974689 is a wasteful number, since it uses less digits than its factorization.
1371974689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15159.
The product of its digits is 2286144, while the sum is 55.
The square root of 1371974689 is about 37040.1766869436. The cubic root of 1371974689 is about 1111.1739032221.
The spelling of 1371974689 in words is "one billion, three hundred seventy-one million, nine hundred seventy-four thousand, six hundred eighty-nine".
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