Base | Representation |
---|---|
bin | 11100011010001111… |
… | …100011000101010110 |
3 | 2220201221122022222012 |
4 | 130122033203011112 |
5 | 444433243221200 |
6 | 22002553104222 |
7 | 2126641454045 |
oct | 343217430526 |
9 | 86657568865 |
10 | 30505054550 |
11 | 11a34342a93 |
12 | 5ab40b8072 |
13 | 2b51bc9a49 |
14 | 169555855c |
15 | bd813ea35 |
hex | 71a3e3156 |
30505054550 has 12 divisors (see below), whose sum is σ = 56739401556. Its totient is φ = 12202021800.
The previous prime is 30505054523. The next prime is 30505054577. The reversal of 30505054550 is 5545050503.
It is an interprime number because it is at equal distance from previous prime (30505054523) and next prime (30505054577).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305050496 + ... + 305050595.
It is an arithmetic number, because the mean of its divisors is an integer number (4728283463).
Almost surely, 230505054550 is an apocalyptic number.
30505054550 is a deficient number, since it is larger than the sum of its proper divisors (26234347006).
30505054550 is a wasteful number, since it uses less digits than its factorization.
30505054550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 610101103 (or 610101098 counting only the distinct ones).
The product of its (nonzero) digits is 37500, while the sum is 32.
The spelling of 30505054550 in words is "thirty billion, five hundred five million, fifty-four thousand, five hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.105 sec. • engine limits •