Base | Representation |
---|---|
bin | 11100011011110100… |
… | …100001110110100010 |
3 | 2220210210110020001010 |
4 | 130123310201312202 |
5 | 1000012032313200 |
6 | 22005340321350 |
7 | 2130412455324 |
oct | 343364416642 |
9 | 86723406033 |
10 | 30531526050 |
11 | 11a48283463 |
12 | 5b00b43256 |
13 | 2b5753795c |
14 | 1698c89614 |
15 | bda61d150 |
hex | 71bd21da2 |
30531526050 has 48 divisors (see below), whose sum is σ = 75730554720. Its totient is φ = 8140410240.
The previous prime is 30531526043. The next prime is 30531526063. The reversal of 30531526050 is 5062513503.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 30531525999 and 30531526017.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1200769 + ... + 1225931.
It is an arithmetic number, because the mean of its divisors is an integer number (1577719890).
Almost surely, 230531526050 is an apocalyptic number.
30531526050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30531526050 is an abundant number, since it is smaller than the sum of its proper divisors (45199028670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30531526050 is a wasteful number, since it uses less digits than its factorization.
30531526050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33267 (or 33262 counting only the distinct ones).
The product of its (nonzero) digits is 13500, while the sum is 30.
The spelling of 30531526050 in words is "thirty billion, five hundred thirty-one million, five hundred twenty-six thousand, fifty".
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