Base | Representation |
---|---|
bin | 1100010101110101100… |
… | …0001110111000010000 |
3 | 202021021001002112012110 |
4 | 3011131120032320100 |
5 | 11433204111442432 |
6 | 241222313025320 |
7 | 21214024346100 |
oct | 3053530167020 |
9 | 667231075173 |
10 | 212020030992 |
11 | 81a0a864410 |
12 | 351110b5240 |
13 | 16cbb678253 |
14 | a394635200 |
15 | 57ad84edcc |
hex | 315d60ee10 |
212020030992 has 120 divisors (see below), whose sum is σ = 695063896992. Its totient is φ = 55070131200.
The previous prime is 212020030967. The next prime is 212020031017. The reversal of 212020030992 is 299030020212.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (212020030967) and next prime (212020031017).
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 4071609 + ... + 4123352.
Almost surely, 2212020030992 is an apocalyptic number.
212020030992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
212020030992 is an abundant number, since it is smaller than the sum of its proper divisors (483043866000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212020030992 is a wasteful number, since it uses less digits than its factorization.
212020030992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8194997 (or 8194984 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 30.
The spelling of 212020030992 in words is "two hundred twelve billion, twenty million, thirty thousand, nine hundred ninety-two".
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