Base | Representation |
---|---|
bin | 11100001101101000… |
… | …010111101001101111 |
3 | 2220012012111002102010 |
4 | 130031220113221233 |
5 | 444020111120034 |
6 | 21525553532303 |
7 | 2121462066063 |
oct | 341550275157 |
9 | 86165432363 |
10 | 30293457519 |
11 | 1193595a006 |
12 | 5a55274093 |
13 | 2b1a111cc0 |
14 | 16753d7aa3 |
15 | bc47943e9 |
hex | 70da17a6f |
30293457519 has 64 divisors (see below), whose sum is σ = 46592860160. Its totient is φ = 17351832960.
The previous prime is 30293457499. The next prime is 30293457521. The reversal of 30293457519 is 91575439203.
It is not a de Polignac number, because 30293457519 - 28 = 30293457263 is a prime.
It is a super-3 number, since 3×302934575193 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30293457539) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31326774 + ... + 31327740.
It is an arithmetic number, because the mean of its divisors is an integer number (728013440).
Almost surely, 230293457519 is an apocalyptic number.
30293457519 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
30293457519 is a deficient number, since it is larger than the sum of its proper divisors (16299402641).
30293457519 is a wasteful number, since it uses less digits than its factorization.
30293457519 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1700.
The product of its (nonzero) digits is 1020600, while the sum is 48.
The spelling of 30293457519 in words is "thirty billion, two hundred ninety-three million, four hundred fifty-seven thousand, five hundred nineteen".
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