Base | Representation |
---|---|
bin | 1100011001000101000… |
… | …0100010011011010111 |
3 | 202100111200220100000000 |
4 | 3012101100202123113 |
5 | 11441444422213033 |
6 | 241444524422343 |
7 | 21244423535040 |
oct | 3062120423327 |
9 | 670450810000 |
10 | 212890429143 |
11 | 82317108427 |
12 | 353146a79b3 |
13 | 170c9aa8c42 |
14 | a4380878c7 |
15 | 580ee80a13 |
hex | 31914226d7 |
212890429143 has 54 divisors (see below), whose sum is σ = 365106059864. Its totient is φ = 121595170464.
The previous prime is 212890429117. The next prime is 212890429211. The reversal of 212890429143 is 341924098212.
212890429143 is a `hidden beast` number, since 2 + 1 + 2 + 89 + 0 + 429 + 143 = 666.
It is not a de Polignac number, because 212890429143 - 29 = 212890428631 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212890429043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 98879755 + ... + 98881907.
Almost surely, 2212890429143 is an apocalyptic number.
212890429143 is a deficient number, since it is larger than the sum of its proper divisors (152215630721).
212890429143 is an frugal number, since it uses more digits than its factorization.
212890429143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4337 (or 2163 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The spelling of 212890429143 in words is "two hundred twelve billion, eight hundred ninety million, four hundred twenty-nine thousand, one hundred forty-three".
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