Base | Representation |
---|---|
bin | 11100000010010001… |
… | …111010000110110001 |
3 | 2212200221010212011221 |
4 | 130002101322012301 |
5 | 443122333114303 |
6 | 21455032105041 |
7 | 2113660306366 |
oct | 340221720661 |
9 | 85627125157 |
10 | 30103019953 |
11 | 11848408496 |
12 | 5a01535181 |
13 | 2ab9825356 |
14 | 1657dc446d |
15 | bb2bc84bd |
hex | 70247a1b1 |
30103019953 has 2 divisors, whose sum is σ = 30103019954. Its totient is φ = 30103019952.
The previous prime is 30103019923. The next prime is 30103020023. The reversal of 30103019953 is 35991030103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21622820209 + 8480199744 = 147047^2 + 92088^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30103019953 is a prime.
It is a super-2 number, since 2×301030199532 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30103019923) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051509976 + 15051509977.
It is an arithmetic number, because the mean of its divisors is an integer number (15051509977).
Almost surely, 230103019953 is an apocalyptic number.
It is an amenable number.
30103019953 is a deficient number, since it is larger than the sum of its proper divisors (1).
30103019953 is an equidigital number, since it uses as much as digits as its factorization.
30103019953 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10935, while the sum is 34.
The spelling of 30103019953 in words is "thirty billion, one hundred three million, nineteen thousand, nine hundred fifty-three".
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