Base | Representation |
---|---|
bin | 1011001000100010… |
… | …1110101110000001 |
3 | 21201021122021200200 |
4 | 2302020232232001 |
5 | 22110042223321 |
6 | 1212320435413 |
7 | 134026650426 |
oct | 26210565601 |
9 | 7637567620 |
10 | 2988632961 |
11 | 12a40071a6 |
12 | 6b4a78b69 |
13 | 388234692 |
14 | 204cc7d4d |
15 | 12759ad26 |
hex | b222eb81 |
2988632961 has 24 divisors (see below), whose sum is σ = 4500986880. Its totient is φ = 1908549216.
The previous prime is 2988632957. The next prime is 2988633013. The reversal of 2988632961 is 1692368892.
2988632961 is a `hidden beast` number, since 298 + 8 + 63 + 296 + 1 = 666.
It is not a de Polignac number, because 2988632961 - 22 = 2988632957 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2988632898 and 2988632907.
It is not an unprimeable number, because it can be changed into a prime (2988632261) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11935 + ... + 78228.
It is an arithmetic number, because the mean of its divisors is an integer number (187541120).
Almost surely, 22988632961 is an apocalyptic number.
It is an amenable number.
2988632961 is a deficient number, since it is larger than the sum of its proper divisors (1512353919).
2988632961 is a wasteful number, since it uses less digits than its factorization.
2988632961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90325 (or 90322 counting only the distinct ones).
The product of its digits is 2239488, while the sum is 54.
The square root of 2988632961 is about 54668.3908762641. The cubic root of 2988632961 is about 1440.4256973476.
The spelling of 2988632961 in words is "two billion, nine hundred eighty-eight million, six hundred thirty-two thousand, nine hundred sixty-one".
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