Base | Representation |
---|---|
bin | 11111010001010100000… |
… | …101111000111111011000 |
3 | 21121102200011002001011100 |
4 | 133101110011320333120 |
5 | 240201413441301141 |
6 | 4323104414231400 |
7 | 311152415454666 |
oct | 37212405707730 |
9 | 7542604061140 |
10 | 2148894478296 |
11 | 759382a03135 |
12 | 2a85784b5560 |
13 | 127841a7b777 |
14 | 760154a5c36 |
15 | 3ad6e9d50b6 |
hex | 1f454178fd8 |
2148894478296 has 48 divisors (see below), whose sum is σ = 6126234262200. Its totient is φ = 678598255872.
The previous prime is 2148894478279. The next prime is 2148894478309. The reversal of 2148894478296 is 6928744988412.
It is a happy number.
2148894478296 is a `hidden beast` number, since 2 + 1 + 48 + 8 + 94 + 478 + 29 + 6 = 666.
It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a congruent number.
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, 785413281 + ... + 785416016.
Almost surely, 22148894478296 is an apocalyptic number.
It is an amenable number.
2148894478296 is an abundant number, since it is smaller than the sum of its proper divisors (3977339783904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2148894478296 is a wasteful number, since it uses less digits than its factorization.
2148894478296 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1570829328 (or 1570829321 counting only the distinct ones).
The product of its digits is 445906944, while the sum is 72.
The spelling of 2148894478296 in words is "two trillion, one hundred forty-eight billion, eight hundred ninety-four million, four hundred seventy-eight thousand, two hundred ninety-six".
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