Base | Representation |
---|---|
bin | 11100000011011111… |
… | …010011101110111001 |
3 | 2212202100022200220111 |
4 | 130003133103232321 |
5 | 443143031410014 |
6 | 21501035024321 |
7 | 2114324624152 |
oct | 340337235671 |
9 | 85670280814 |
10 | 30123310009 |
11 | 11858906731 |
12 | 5a0829b0a1 |
13 | 2ac0aaa7c0 |
14 | 165a986929 |
15 | bb48852c4 |
hex | 7037d3bb9 |
30123310009 has 4 divisors (see below), whose sum is σ = 32440487716. Its totient is φ = 27806132304.
The previous prime is 30123309971. The next prime is 30123310027. The reversal of 30123310009 is 90001332103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90001332103 = 3019 ⋅29811637.
It can be written as a sum of positive squares in 2 ways, for example, as 8175776400 + 21947533609 = 90420^2 + 148147^2 .
It is a cyclic number.
It is not a de Polignac number, because 30123310009 - 211 = 30123307961 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30123314009) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158588834 + ... + 1158588859.
It is an arithmetic number, because the mean of its divisors is an integer number (8110121929).
Almost surely, 230123310009 is an apocalyptic number.
It is an amenable number.
30123310009 is a deficient number, since it is larger than the sum of its proper divisors (2317177707).
30123310009 is a wasteful number, since it uses less digits than its factorization.
30123310009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2317177706.
The product of its (nonzero) digits is 486, while the sum is 22.
The spelling of 30123310009 in words is "thirty billion, one hundred twenty-three million, three hundred ten thousand, nine".
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