Base | Representation |
---|---|
bin | 1011101101111000… |
… | …1010110010011111 |
3 | 22010012100011000002 |
4 | 2323132022302133 |
5 | 22420140413103 |
6 | 1240033324515 |
7 | 140641110650 |
oct | 27336126237 |
9 | 8105304002 |
10 | 3145247903 |
11 | 1374457336 |
12 | 73940673b |
13 | 3b180b445 |
14 | 21ba15527 |
15 | 1361d5488 |
hex | bb78ac9f |
3145247903 has 16 divisors (see below), whose sum is σ = 3617079360. Its totient is φ = 2679091200.
The previous prime is 3145247891. The next prime is 3145247939. The reversal of 3145247903 is 3097425413.
It is a cyclic number.
It is not a de Polignac number, because 3145247903 - 210 = 3145246879 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 (3145247603) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1025993 + ... + 1029053.
It is an arithmetic number, because the mean of its divisors is an integer number (226067460).
Almost surely, 23145247903 is an apocalyptic number.
3145247903 is a deficient number, since it is larger than the sum of its proper divisors (471831457).
3145247903 is a wasteful number, since it uses less digits than its factorization.
3145247903 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3938.
The product of its (nonzero) digits is 90720, while the sum is 38.
The square root of 3145247903 is about 56082.5097780048. The cubic root of 3145247903 is about 1465.1596859486.
The spelling of 3145247903 in words is "three billion, one hundred forty-five million, two hundred forty-seven thousand, nine hundred three".
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