Base | Representation |
---|---|
bin | 1011001000100001… |
… | …0000011111101001 |
3 | 21201021101222212111 |
4 | 2302020100133221 |
5 | 22110024243121 |
6 | 1212314042321 |
7 | 134025623461 |
oct | 26210203751 |
9 | 7637358774 |
10 | 2988509161 |
11 | 12a3a32190 |
12 | 6b4a193a1 |
13 | 3881c0221 |
14 | 204c94ba1 |
15 | 1275742e1 |
hex | b22107e9 |
2988509161 has 16 divisors (see below), whose sum is σ = 3280447296. Its totient is φ = 2700000000.
The previous prime is 2988509143. The next prime is 2988509179. The reversal of 2988509161 is 1619058892.
It is an interprime number because it is at equal distance from previous prime (2988509143) and next prime (2988509179).
It is a 8-Lehmer number, since φ(2988509161) divides (2988509161-1)8.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2988509161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2988509561) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658461 + ... + 1660261.
It is an arithmetic number, because the mean of its divisors is an integer number (205027956).
Almost surely, 22988509161 is an apocalyptic number.
It is an amenable number.
2988509161 is a deficient number, since it is larger than the sum of its proper divisors (291938135).
2988509161 is a wasteful number, since it uses less digits than its factorization.
2988509161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2664.
The product of its (nonzero) digits is 311040, while the sum is 49.
The square root of 2988509161 is about 54667.2585831776. The cubic root of 2988509161 is about 1440.4058078568.
The spelling of 2988509161 in words is "two billion, nine hundred eighty-eight million, five hundred nine thousand, one hundred sixty-one".
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