Base | Representation |
---|---|
bin | 1010111000001100… |
… | …0010011010011111 |
3 | 21112111112222201202 |
4 | 2232003002122133 |
5 | 21440012010103 |
6 | 1201430230115 |
7 | 132234601355 |
oct | 25603023237 |
9 | 7474488652 |
10 | 2920031903 |
11 | 1269311208 |
12 | 695ab533b |
13 | 376c65839 |
14 | 1d9b4b7d5 |
15 | 121549988 |
hex | ae0c269f |
2920031903 has 4 divisors (see below), whose sum is σ = 2920496040. Its totient is φ = 2919567768.
The previous prime is 2920031893. The next prime is 2920031921. The reversal of 2920031903 is 3091300292.
2920031903 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.
It is a cyclic number.
It is not a de Polignac number, because 2920031903 - 216 = 2919966367 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 (2920031923) 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, 222500 + ... + 235257.
It is an arithmetic number, because the mean of its divisors is an integer number (730124010).
Almost surely, 22920031903 is an apocalyptic number.
2920031903 is a deficient number, since it is larger than the sum of its proper divisors (464137).
2920031903 is an equidigital number, since it uses as much as digits as its factorization.
2920031903 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464136.
The product of its (nonzero) digits is 2916, while the sum is 29.
The square root of 2920031903 is about 54037.3195393702. The cubic root of 2920031903 is about 1429.3191051552.
The spelling of 2920031903 in words is "two billion, nine hundred twenty million, thirty-one thousand, nine hundred three".
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