Base | Representation |
---|---|
bin | 11100000110101011… |
… | …000001010100110101 |
3 | 2212220001210210122121 |
4 | 130012223001110311 |
5 | 443300214240424 |
6 | 21510223355541 |
7 | 2115543551104 |
oct | 340653012465 |
9 | 85801723577 |
10 | 30176711989 |
11 | 11885a703a6 |
12 | 5a22152bb1 |
13 | 2acbb874c8 |
14 | 1663ac803b |
15 | bb93d2ee4 |
hex | 706ac1535 |
30176711989 has 2 divisors, whose sum is σ = 30176711990. Its totient is φ = 30176711988.
The previous prime is 30176711977. The next prime is 30176712001. The reversal of 30176711989 is 98911767103.
It is a balanced prime because it is at equal distance from previous prime (30176711977) and next prime (30176712001).
It can be written as a sum of positive squares in only one way, i.e., 19764142225 + 10412569764 = 140585^2 + 102042^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30176711989 is a prime.
It is a super-2 number, since 2×301767119892 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30176741989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15088355994 + 15088355995.
It is an arithmetic number, because the mean of its divisors is an integer number (15088355995).
Almost surely, 230176711989 is an apocalyptic number.
It is an amenable number.
30176711989 is a deficient number, since it is larger than the sum of its proper divisors (1).
30176711989 is an equidigital number, since it uses as much as digits as its factorization.
30176711989 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 571536, while the sum is 52.
The spelling of 30176711989 in words is "thirty billion, one hundred seventy-six million, seven hundred eleven thousand, nine hundred eighty-nine".
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