Base | Representation |
---|---|
bin | 1011100011110100… |
… | …1011110101110001 |
3 | 22000020221010021121 |
4 | 2320331023311301 |
5 | 22323340001100 |
6 | 1231525022241 |
7 | 136616315221 |
oct | 27075136561 |
9 | 8006833247 |
10 | 3103047025 |
11 | 1352653181 |
12 | 727254981 |
13 | 3a5b53c00 |
14 | 21618c081 |
15 | 13264b51a |
hex | b8f4bd71 |
3103047025 has 27 divisors (see below), whose sum is σ = 4171396611. Its totient is φ = 2288807040.
The previous prime is 3103046953. The next prime is 3103047029. The reversal of 3103047025 is 5207403013.
The square root of 3103047025 is 55705.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 13 ways, for example, as 1617407089 + 1485639936 = 40217^2 + 38544^2 .
It is not a de Polignac number, because 3103047025 - 219 = 3102522737 is a prime.
It is a super-2 number, since 2×31030470252 = 19257801678722701250, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3103047029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3620397 + ... + 3621253.
Almost surely, 23103047025 is an apocalyptic number.
3103047025 is the 55705-th square number.
3103047025 is the 27853-rd centered octagonal number.
It is an amenable number.
3103047025 is a deficient number, since it is larger than the sum of its proper divisors (1068349586).
3103047025 is an frugal number, since it uses more digits than its factorization.
3103047025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1750 (or 875 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 25.
The cubic root of 3103047025 is about 1458.5773069551.
Multiplying 3103047025 by its sum of digits (25), we get a square (77576175625 = 2785252).
3103047025 divided by its sum of digits (25) gives a square (124121881 = 111412).
The spelling of 3103047025 in words is "three billion, one hundred three million, forty-seven thousand, twenty-five".
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