Base | Representation |
---|---|
bin | 11100000011111000… |
… | …110111111110000101 |
3 | 2212202210221012100202 |
4 | 130003320313332011 |
5 | 443201240341122 |
6 | 21501434420245 |
7 | 2114435606456 |
oct | 340370677605 |
9 | 85683835322 |
10 | 30130012037 |
11 | 11861673aa4 |
12 | 5a0a591685 |
13 | 2ac22b61b8 |
14 | 165b80d12d |
15 | bb525ae92 |
hex | 703e37f85 |
30130012037 has 2 divisors, whose sum is σ = 30130012038. Its totient is φ = 30130012036.
The previous prime is 30130011997. The next prime is 30130012039. The reversal of 30130012037 is 73021003103.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29565426916 + 564585121 = 171946^2 + 23761^2 .
It is a cyclic number.
It is not a de Polignac number, because 30130012037 - 224 = 30113234821 is a prime.
Together with 30130012039, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30130012039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065006018 + 15065006019.
It is an arithmetic number, because the mean of its divisors is an integer number (15065006019).
Almost surely, 230130012037 is an apocalyptic number.
It is an amenable number.
30130012037 is a deficient number, since it is larger than the sum of its proper divisors (1).
30130012037 is an equidigital number, since it uses as much as digits as its factorization.
30130012037 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 378, while the sum is 20.
The spelling of 30130012037 in words is "thirty billion, one hundred thirty million, twelve thousand, thirty-seven".
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