Base | Representation |
---|---|
bin | 11100001000111110… |
… | …111001110000000100 |
3 | 2212222202202100000000 |
4 | 130020332321300010 |
5 | 443340130301101 |
6 | 21514130321300 |
7 | 2116524220254 |
oct | 341076716004 |
9 | 85882670000 |
10 | 30215478276 |
11 | 118a5939055 |
12 | 5a33129230 |
13 | 2b06c0b639 |
14 | 1668cd9964 |
15 | bbc9de486 |
hex | 708fb9c04 |
30215478276 has 243 divisors, whose sum is σ = 84420811839. Its totient is φ = 9461696832.
The previous prime is 30215478259. The next prime is 30215478283. The reversal of 30215478276 is 67287451203.
The square root of 30215478276 is 173826.
It is a perfect power (a square), and thus also a powerful number.
30215478276 is a `hidden beast` number, since 3 + 0 + 21 + 547 + 82 + 7 + 6 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 6430436100 + 23785042176 = 80190^2 + 154224^2 .
It is a tau number, because it is divible by the number of its divisors (243).
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 816634530 + ... + 816634566.
Almost surely, 230215478276 is an apocalyptic number.
30215478276 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
30215478276 is the 173826-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30215478276
30215478276 is an abundant number, since it is smaller than the sum of its proper divisors (54205333563).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30215478276 is an frugal number, since it uses more digits than its factorization.
30215478276 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160 (or 71 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
The spelling of 30215478276 in words is "thirty billion, two hundred fifteen million, four hundred seventy-eight thousand, two hundred seventy-six".
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