Base | Representation |
---|---|
bin | 1011010010011011… |
… | …1111011001011111 |
3 | 21211011201001020211 |
4 | 2310212333121133 |
5 | 22201202320111 |
6 | 1220401553251 |
7 | 135042411121 |
oct | 26446773137 |
9 | 7734631224 |
10 | 3030120031 |
11 | 1315473034 |
12 | 706945827 |
13 | 3939cc043 |
14 | 20a607211 |
15 | 12b043521 |
hex | b49bf65f |
3030120031 has 4 divisors (see below), whose sum is σ = 3043125072. Its totient is φ = 3017114992.
The previous prime is 3030120011. The next prime is 3030120083. The reversal of 3030120031 is 1300210303.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 3030120031 - 219 = 3029595743 is a prime.
It is a super-2 number, since 2×30301200312 = 18363254804534881922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3030119993 and 3030120020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3030120011) 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, 6502171 + ... + 6502636.
It is an arithmetic number, because the mean of its divisors is an integer number (760781268).
Almost surely, 23030120031 is an apocalyptic number.
3030120031 is a deficient number, since it is larger than the sum of its proper divisors (13005041).
3030120031 is a wasteful number, since it uses less digits than its factorization.
3030120031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13005040.
The product of its (nonzero) digits is 54, while the sum is 13.
The square root of 3030120031 is about 55046.5260575088. The cubic root of 3030120031 is about 1447.0602398543.
Adding to 3030120031 its reverse (1300210303), we get a palindrome (4330330334).
The spelling of 3030120031 in words is "three billion, thirty million, one hundred twenty thousand, thirty-one".
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