Base | Representation |
---|---|
bin | 1000000000010101… |
… | …0100001010111110 |
3 | 12112202111021001200 |
4 | 2000011110022332 |
5 | 13400103030430 |
6 | 553121520330 |
7 | 104152103331 |
oct | 20005241276 |
9 | 5482437050 |
10 | 2148876990 |
11 | a02a920a7 |
12 | 4bb7a30a6 |
13 | 283272060 |
14 | 165570618 |
15 | c89be460 |
hex | 801542be |
2148876990 has 48 divisors (see below), whose sum is σ = 6016858848. Its totient is φ = 528954048.
The previous prime is 2148876967. The next prime is 2148877001. The reversal of 2148876990 is 996788412.
2148876990 is a `hidden beast` number, since 2 + 1 + 488 + 76 + 9 + 90 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 917154 + ... + 919493.
It is an arithmetic number, because the mean of its divisors is an integer number (125351226).
Almost surely, 22148876990 is an apocalyptic number.
2148876990 is an abundant number, since it is smaller than the sum of its proper divisors (3867981858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2148876990 is a wasteful number, since it uses less digits than its factorization.
2148876990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1836673 (or 1836670 counting only the distinct ones).
The product of its (nonzero) digits is 1741824, while the sum is 54.
The square root of 2148876990 is about 46355.9811674826. The cubic root of 2148876990 is about 1290.4381241229.
The spelling of 2148876990 in words is "two billion, one hundred forty-eight million, eight hundred seventy-six thousand, nine hundred ninety".
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