Base | Representation |
---|---|
bin | 101010000100010001010… |
… | …111001000100010011001 |
3 | 101020100200010020022012200 |
4 | 222010101113020202121 |
5 | 334330331343022121 |
6 | 10052003412000413 |
7 | 415565552561616 |
oct | 52042127104231 |
9 | 11210603208180 |
10 | 2890804267161 |
11 | a14a8a711478 |
12 | 3a8310600109 |
13 | 17c7a8b4b235 |
14 | 9dcb686d50d |
15 | 502e3067a26 |
hex | 2a1115c8899 |
2890804267161 has 24 divisors (see below), whose sum is σ = 4421295122400. Its totient is φ = 1813811277696.
The previous prime is 2890804267147. The next prime is 2890804267163. The reversal of 2890804267161 is 1617624080982.
It is a happy number.
2890804267161 is a `hidden beast` number, since 2 + 8 + 90 + 8 + 0 + 426 + 71 + 61 = 666.
It is not a de Polignac number, because 2890804267161 - 210 = 2890804266137 is a prime.
It is a super-2 number, since 2×28908042671612 (a number of 26 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2890804267098 and 2890804267107.
It is not an unprimeable number, because it can be changed into a prime (2890804267163) 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, 17998990 + ... + 18158888.
It is an arithmetic number, because the mean of its divisors is an integer number (184220630100).
Almost surely, 22890804267161 is an apocalyptic number.
It is an amenable number.
2890804267161 is a deficient number, since it is larger than the sum of its proper divisors (1530490855239).
2890804267161 is a wasteful number, since it uses less digits than its factorization.
2890804267161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278085 (or 278082 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 54.
The spelling of 2890804267161 in words is "two trillion, eight hundred ninety billion, eight hundred four million, two hundred sixty-seven thousand, one hundred sixty-one".
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