Base | Representation |
---|---|
bin | 11100001001111101… |
… | …111011111001010011 |
3 | 2220000220211211110122 |
4 | 130021331323321103 |
5 | 443403343032011 |
6 | 21515520420455 |
7 | 2120114530622 |
oct | 341175737123 |
9 | 86026754418 |
10 | 30232002131 |
11 | 119041a4731 |
12 | 5a3877772b |
13 | 2b0a475776 |
14 | 166b19b6b9 |
15 | bbe1a53db |
hex | 709f7be53 |
30232002131 has 8 divisors (see below), whose sum is σ = 30937589760. Its totient is φ = 29526529032.
The previous prime is 30232002121. The next prime is 30232002149. The reversal of 30232002131 is 13120023203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30232002131 is a prime.
It is a super-2 number, since 2×302320021312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30232002121) 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, 748430 + ... + 787788.
It is an arithmetic number, because the mean of its divisors is an integer number (3867198720).
Almost surely, 230232002131 is an apocalyptic number.
30232002131 is a deficient number, since it is larger than the sum of its proper divisors (705587629).
30232002131 is a wasteful number, since it uses less digits than its factorization.
30232002131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57265.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30232002131 its reverse (13120023203), we get a palindrome (43352025334).
The spelling of 30232002131 in words is "thirty billion, two hundred thirty-two million, two thousand, one hundred thirty-one".
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