Base | Representation |
---|---|
bin | 111110101011101… |
… | …1111111010101101 |
3 | 12102120202022201010 |
4 | 1331113133322231 |
5 | 13301421441140 |
6 | 544413135433 |
7 | 103056600042 |
oct | 17527377255 |
9 | 5376668633 |
10 | 2103312045 |
11 | 98a2a051a |
12 | 4a848a579 |
13 | 2769aa553 |
14 | 15d4ad1c9 |
15 | c49bd880 |
hex | 7d5dfead |
2103312045 has 8 divisors (see below), whose sum is σ = 3365299296. Its totient is φ = 1121766416.
The previous prime is 2103312031. The next prime is 2103312059. The reversal of 2103312045 is 5402133012.
It is an interprime number because it is at equal distance from previous prime (2103312031) and next prime (2103312059).
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 2103312045 - 211 = 2103309997 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70110387 + ... + 70110416.
It is an arithmetic number, because the mean of its divisors is an integer number (420662412).
Almost surely, 22103312045 is an apocalyptic number.
It is an amenable number.
2103312045 is a deficient number, since it is larger than the sum of its proper divisors (1261987251).
2103312045 is a wasteful number, since it uses less digits than its factorization.
2103312045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140220811.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 2103312045 is about 45861.8800857531. The cubic root of 2103312045 is about 1281.2520392750.
Adding to 2103312045 its reverse (5402133012), we get a palindrome (7505445057).
The spelling of 2103312045 in words is "two billion, one hundred three million, three hundred twelve thousand, forty-five".
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