Base | Representation |
---|---|
bin | 11100011010001111… |
… | …100010000110000110 |
3 | 2220201221122010102021 |
4 | 130122033202012012 |
5 | 444433243104002 |
6 | 22002553033354 |
7 | 2126641436203 |
oct | 343217420606 |
9 | 86657563367 |
10 | 30505050502 |
11 | 11a3433aa43 |
12 | 5ab40b585a |
13 | 2b51bc7c54 |
14 | 1695556caa |
15 | bd813d737 |
hex | 71a3e2186 |
30505050502 has 32 divisors (see below), whose sum is σ = 47363355648. Its totient is φ = 14725800000.
The previous prime is 30505050473. The next prime is 30505050539. The reversal of 30505050502 is 20505050503.
It is a super-2 number, since 2×305050505022 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3350977 + ... + 3360067.
It is an arithmetic number, because the mean of its divisors is an integer number (1480104864).
Almost surely, 230505050502 is an apocalyptic number.
30505050502 is a deficient number, since it is larger than the sum of its proper divisors (16858305146).
30505050502 is a wasteful number, since it uses less digits than its factorization.
30505050502 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9556.
The product of its (nonzero) digits is 3750, while the sum is 25.
Subtracting from 30505050502 its reverse (20505050503), we obtain a palindrome (9999999999).
The spelling of 30505050502 in words is "thirty billion, five hundred five million, fifty thousand, five hundred two".
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