Base | Representation |
---|---|
bin | 1011101101110110… |
… | …0011101000010001 |
3 | 22010012000222222102 |
4 | 2323131203220101 |
5 | 22420120300010 |
6 | 1240030050145 |
7 | 140636542220 |
oct | 27335435021 |
9 | 8105028872 |
10 | 3145087505 |
11 | 137435787a |
12 | 739349955 |
13 | 3b1783431 |
14 | 21b9b2cb7 |
15 | 1361a2ba5 |
hex | bb763a11 |
3145087505 has 48 divisors (see below), whose sum is σ = 4631821824. Its totient is φ = 2006674560.
The previous prime is 3145087489. The next prime is 3145087513. The reversal of 3145087505 is 5057805413.
It is not a de Polignac number, because 3145087505 - 24 = 3145087489 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 682760 + ... + 687350.
It is an arithmetic number, because the mean of its divisors is an integer number (96496288).
Almost surely, 23145087505 is an apocalyptic number.
3145087505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3145087505 is a deficient number, since it is larger than the sum of its proper divisors (1486734319).
3145087505 is a wasteful number, since it uses less digits than its factorization.
3145087505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4686 (or 4663 counting only the distinct ones).
The product of its (nonzero) digits is 84000, while the sum is 38.
The square root of 3145087505 is about 56081.0797417453. The cubic root of 3145087505 is about 1465.1347793079.
The spelling of 3145087505 in words is "three billion, one hundred forty-five million, eighty-seven thousand, five hundred five".
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