Base | Representation |
---|---|
bin | 111100100010011… |
… | …1001000101110101 |
3 | 12020120022000210220 |
4 | 1321010321011311 |
5 | 13130004404212 |
6 | 533322204553 |
7 | 101223660642 |
oct | 17104710565 |
9 | 5216260726 |
10 | 2031325557 |
11 | 9526a2a58 |
12 | 488353759 |
13 | 264ac47b1 |
14 | 153ad0dc9 |
15 | bd4ee38c |
hex | 79139175 |
2031325557 has 16 divisors (see below), whose sum is σ = 2736078912. Its totient is φ = 1340416640.
The previous prime is 2031325531. The next prime is 2031325577. The reversal of 2031325557 is 7555231302.
It is a cyclic number.
It is not a de Polignac number, because 2031325557 - 227 = 1897107829 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2031325577) 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, 550603 + ... + 554279.
It is an arithmetic number, because the mean of its divisors is an integer number (171004932).
Almost surely, 22031325557 is an apocalyptic number.
It is an amenable number.
2031325557 is a deficient number, since it is larger than the sum of its proper divisors (704753355).
2031325557 is a wasteful number, since it uses less digits than its factorization.
2031325557 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5508.
The product of its (nonzero) digits is 31500, while the sum is 33.
The square root of 2031325557 is about 45070.2291651596. The cubic root of 2031325557 is about 1266.4649574082.
Adding to 2031325557 its reverse (7555231302), we get a palindrome (9586556859).
The spelling of 2031325557 in words is "two billion, thirty-one million, three hundred twenty-five thousand, five hundred fifty-seven".
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