Base | Representation |
---|---|
bin | 111101001000101… |
… | …0010011001000011 |
3 | 12021221222111002212 |
4 | 1322101102121003 |
5 | 13200121232011 |
6 | 535315332335 |
7 | 101556130313 |
oct | 17221223103 |
9 | 5257874085 |
10 | 2051352131 |
11 | 962a31244 |
12 | 492bb10ab |
13 | 268cb703a |
14 | 156625443 |
15 | c015808b |
hex | 7a452643 |
2051352131 has 8 divisors (see below), whose sum is σ = 2069771760. Its totient is φ = 2032985088.
The previous prime is 2051352059. The next prime is 2051352161. The reversal of 2051352131 is 1312531502.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2051352131 - 226 = 1984243267 is a prime.
It is a super-2 number, since 2×20513521312 = 8416091130716482322, 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 = 2051352097 and 2051352106.
It is not an unprimeable number, because it can be changed into a prime (2051352161) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67415 + ... + 92991.
It is an arithmetic number, because the mean of its divisors is an integer number (258721470).
Almost surely, 22051352131 is an apocalyptic number.
2051352131 is a deficient number, since it is larger than the sum of its proper divisors (18419629).
2051352131 is a wasteful number, since it uses less digits than its factorization.
2051352131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26293.
The product of its (nonzero) digits is 900, while the sum is 23.
The square root of 2051352131 is about 45291.8550183143. The cubic root of 2051352131 is about 1270.6133253909.
Adding to 2051352131 its reverse (1312531502), we get a palindrome (3363883633).
The spelling of 2051352131 in words is "two billion, fifty-one million, three hundred fifty-two thousand, one hundred thirty-one".
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