Base | Representation |
---|---|
bin | 1011101001000111… |
… | …0010011001000111 |
3 | 22001210122212210020 |
4 | 2322101302121013 |
5 | 22400024200111 |
6 | 1234040230223 |
7 | 140305655145 |
oct | 27221623107 |
9 | 8053585706 |
10 | 3125225031 |
11 | 1364120905 |
12 | 73276b373 |
13 | 3aa61a7a6 |
14 | 2190c2595 |
15 | 13457c906 |
hex | ba472647 |
3125225031 has 4 divisors (see below), whose sum is σ = 4166966712. Its totient is φ = 2083483352.
The previous prime is 3125225011. The next prime is 3125225057. The reversal of 3125225031 is 1305225213.
It is a happy number.
3125225031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1305225213 = 3 ⋅435075071.
It is a cyclic number.
It is not a de Polignac number, because 3125225031 - 219 = 3124700743 is a prime.
It is a super-2 number, since 2×31252250312 = 19534062988777901922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3125224992 and 3125225010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3125225011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520870836 + ... + 520870841.
It is an arithmetic number, because the mean of its divisors is an integer number (1041741678).
Almost surely, 23125225031 is an apocalyptic number.
3125225031 is a deficient number, since it is larger than the sum of its proper divisors (1041741681).
3125225031 is a wasteful number, since it uses less digits than its factorization.
3125225031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1041741680.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 3125225031 is about 55903.7121397139. The cubic root of 3125225031 is about 1462.0439613114.
The spelling of 3125225031 in words is "three billion, one hundred twenty-five million, two hundred twenty-five thousand, thirty-one".
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