Base | Representation |
---|---|
bin | 1011001001010111… |
… | …0001001111101101 |
3 | 21201112001221121102 |
4 | 2302111301033231 |
5 | 22111431114211 |
6 | 1212522012445 |
7 | 134101005200 |
oct | 26225611755 |
9 | 7645057542 |
10 | 2992051181 |
11 | 12a5a31379 |
12 | 6b6047125 |
13 | 388b604b2 |
14 | 205537937 |
15 | 127a23a3b |
hex | b25713ed |
2992051181 has 12 divisors (see below), whose sum is σ = 3482406108. Its totient is φ = 2563247232.
The previous prime is 2992051171. The next prime is 2992051193. The reversal of 2992051181 is 1811502992.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 444830281 + 2547220900 = 21091^2 + 50470^2 .
It is not a de Polignac number, because 2992051181 - 218 = 2991789037 is a prime.
It is a super-2 number, since 2×29920511812 = 17904740539446989522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2992051121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82565 + ... + 113141.
It is an arithmetic number, because the mean of its divisors is an integer number (290200509).
Almost surely, 22992051181 is an apocalyptic number.
It is an amenable number.
2992051181 is a deficient number, since it is larger than the sum of its proper divisors (490354927).
2992051181 is a wasteful number, since it uses less digits than its factorization.
2992051181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32588 (or 32581 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 38.
The square root of 2992051181 is about 54699.6451633829. The cubic root of 2992051181 is about 1440.9746457622.
The spelling of 2992051181 in words is "two billion, nine hundred ninety-two million, fifty-one thousand, one hundred eighty-one".
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