Base | Representation |
---|---|
bin | 101000110010111… |
… | …1001010010001101 |
3 | 10112101210201221122 |
4 | 1101211321102031 |
5 | 10300413412321 |
6 | 343500010325 |
7 | 45631234313 |
oct | 12145712215 |
9 | 3471721848 |
10 | 1368888461 |
11 | 64277a186 |
12 | 3225309a5 |
13 | 18a7a7895 |
14 | cdb340b3 |
15 | 8029b8ab |
hex | 5197948d |
1368888461 has 8 divisors (see below), whose sum is σ = 1373012064. Its totient is φ = 1364772240.
The previous prime is 1368888439. The next prime is 1368888511. The reversal of 1368888461 is 1648888631.
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 1368888461 - 26 = 1368888397 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1368888061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716870 + ... + 718776.
It is an arithmetic number, because the mean of its divisors is an integer number (171626508).
Almost surely, 21368888461 is an apocalyptic number.
It is an amenable number.
1368888461 is a deficient number, since it is larger than the sum of its proper divisors (4123603).
1368888461 is a wasteful number, since it uses less digits than its factorization.
1368888461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3691.
The product of its digits is 1769472, while the sum is 53.
The square root of 1368888461 is about 36998.4926855136. The cubic root of 1368888461 is about 1110.3400903087.
The spelling of 1368888461 in words is "one billion, three hundred sixty-eight million, eight hundred eighty-eight thousand, four hundred sixty-one".
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