Base | Representation |
---|---|
bin | 11100101010011101… |
… | …110000011110100000 |
3 | 2221102220202111202102 |
4 | 130222131300132200 |
5 | 1001012431334010 |
6 | 22045554305532 |
7 | 2136455003306 |
oct | 345235603640 |
9 | 87386674672 |
10 | 30777214880 |
11 | 12063a32085 |
12 | 5b6b2882a8 |
13 | 2b963cac69 |
14 | 16bd762276 |
15 | c01e9eba5 |
hex | 72a7707a0 |
30777214880 has 48 divisors (see below), whose sum is σ = 72943592904. Its totient is φ = 12271534080.
The previous prime is 30777214879. The next prime is 30777214901. The reversal of 30777214880 is 8841277703.
It can be written as a sum of positive squares in 4 ways, for example, as 16778539024 + 13998675856 = 129532^2 + 118316^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257201 + ... + 357360.
Almost surely, 230777214880 is an apocalyptic number.
It is an amenable number.
30777214880 is an abundant number, since it is smaller than the sum of its proper divisors (42166378024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30777214880 is a wasteful number, since it uses less digits than its factorization.
30777214880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 614889 (or 614881 counting only the distinct ones).
The product of its (nonzero) digits is 526848, while the sum is 47.
The spelling of 30777214880 in words is "thirty billion, seven hundred seventy-seven million, two hundred fourteen thousand, eight hundred eighty".
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