Base | Representation |
---|---|
bin | 11100011101010010… |
… | …110111000000011000 |
3 | 2220212111222112201201 |
4 | 130131102313000120 |
5 | 1000034400113412 |
6 | 22012022323544 |
7 | 2131132606210 |
oct | 343522670030 |
9 | 86774875651 |
10 | 30556254232 |
11 | 11a60233079 |
12 | 5b092895b4 |
13 | 2b5c6b520a |
14 | 169c285240 |
15 | bdc8a4e57 |
hex | 71d4b7018 |
30556254232 has 64 divisors (see below), whose sum is σ = 66506872320. Its totient is φ = 12890009088.
The previous prime is 30556254217. The next prime is 30556254241. The reversal of 30556254232 is 23245265503.
It is a junction number, because it is equal to n+sod(n) for n = 30556254191 and 30556254200.
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, 6665013 + ... + 6669595.
It is an arithmetic number, because the mean of its divisors is an integer number (1039169880).
Almost surely, 230556254232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30556254232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33253436160).
30556254232 is an abundant number, since it is smaller than the sum of its proper divisors (35950618088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30556254232 is a wasteful number, since it uses less digits than its factorization.
30556254232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6440 (or 6436 counting only the distinct ones).
The product of its (nonzero) digits is 216000, while the sum is 37.
The spelling of 30556254232 in words is "thirty billion, five hundred fifty-six million, two hundred fifty-four thousand, two hundred thirty-two".
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