Base | Representation |
---|---|
bin | 1000000000010110… |
… | …1111100110101011 |
3 | 12112202200222012100 |
4 | 2000011233212223 |
5 | 13400120124410 |
6 | 553124144443 |
7 | 104153052042 |
oct | 20005574653 |
9 | 5482628170 |
10 | 2148989355 |
11 | a03059567 |
12 | 4bb838123 |
13 | 2832b1246 |
14 | 16559d559 |
15 | c89e28c0 |
hex | 8016f9ab |
2148989355 has 12 divisors (see below), whose sum is σ = 3724914960. Its totient is φ = 1146127632.
The previous prime is 2148989321. The next prime is 2148989377. The reversal of 2148989355 is 5539898412.
2148989355 is a `hidden beast` number, since 21 + 489 + 8 + 93 + 55 = 666.
It is not a de Polignac number, because 2148989355 - 221 = 2146892203 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23877615 + ... + 23877704.
It is an arithmetic number, because the mean of its divisors is an integer number (310409580).
Almost surely, 22148989355 is an apocalyptic number.
2148989355 is a deficient number, since it is larger than the sum of its proper divisors (1575925605).
2148989355 is a wasteful number, since it uses less digits than its factorization.
2148989355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47755330 (or 47755327 counting only the distinct ones).
The product of its digits is 3110400, while the sum is 54.
The square root of 2148989355 is about 46357.1931311636. The cubic root of 2148989355 is about 1290.4606161119.
The spelling of 2148989355 in words is "two billion, one hundred forty-eight million, nine hundred eighty-nine thousand, three hundred fifty-five".
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