Base | Representation |
---|---|
bin | 11100000111001000… |
… | …010101101111010100 |
3 | 2212220121021021120112 |
4 | 130013020111233110 |
5 | 443304201212110 |
6 | 21511100222152 |
7 | 2115666101465 |
oct | 340710255724 |
9 | 85817237515 |
10 | 30184397780 |
11 | 1188a33a899 |
12 | 5a2483a958 |
13 | 2b00648904 |
14 | 1664b28d6c |
15 | bb9e00405 |
hex | 707215bd4 |
30184397780 has 24 divisors (see below), whose sum is σ = 63419219808. Its totient is φ = 12067666848.
The previous prime is 30184397759. The next prime is 30184397801. The reversal of 30184397780 is 8779348103.
It is an interprime number because it is at equal distance from previous prime (30184397759) and next prime (30184397801).
It is a super-2 number, since 2×301843977802 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340034 + ... + 419513.
It is an arithmetic number, because the mean of its divisors is an integer number (2642467492).
Almost surely, 230184397780 is an apocalyptic number.
It is an amenable number.
30184397780 is an abundant number, since it is smaller than the sum of its proper divisors (33234822028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30184397780 is a wasteful number, since it uses less digits than its factorization.
30184397780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 761543 (or 761541 counting only the distinct ones).
The product of its (nonzero) digits is 1016064, while the sum is 50.
The spelling of 30184397780 in words is "thirty billion, one hundred eighty-four million, three hundred ninety-seven thousand, seven hundred eighty".
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