Base | Representation |
---|---|
bin | 101001110000001… |
… | …1011011110010101 |
3 | 10121122020200111211 |
4 | 1103200123132111 |
5 | 10332124310234 |
6 | 351004301421 |
7 | 46501250314 |
oct | 12340333625 |
9 | 3548220454 |
10 | 1401010069 |
11 | 659919668 |
12 | 331241871 |
13 | 194343454 |
14 | d40d627b |
15 | 82ee4164 |
hex | 5381b795 |
1401010069 has 8 divisors (see below), whose sum is σ = 1523515608. Its totient is φ = 1282959360.
The previous prime is 1401010043. The next prime is 1401010073. The reversal of 1401010069 is 9600101041.
It can be written as a sum of positive squares in 4 ways, for example, as 691427025 + 709583044 = 26295^2 + 26638^2 .
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 1401010069 - 219 = 1400485781 is a prime.
It is a super-2 number, since 2×14010100692 = 3925658426878769522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1401010019) 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, 1113052 + ... + 1114309.
It is an arithmetic number, because the mean of its divisors is an integer number (190439451).
Almost surely, 21401010069 is an apocalyptic number.
It is an amenable number.
1401010069 is a deficient number, since it is larger than the sum of its proper divisors (122505539).
1401010069 is a wasteful number, since it uses less digits than its factorization.
1401010069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2227415.
The product of its (nonzero) digits is 216, while the sum is 22.
The square root of 1401010069 is about 37430.0690488276. The cubic root of 1401010069 is about 1118.9579138396.
The spelling of 1401010069 in words is "one billion, four hundred one million, ten thousand, sixty-nine".
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