Base | Representation |
---|---|
bin | 1100010110010010011… |
… | …0001111010101111101 |
3 | 202021120110222200012222 |
4 | 3011210212033111331 |
5 | 11433431113042141 |
6 | 241242320535125 |
7 | 21220024652414 |
oct | 3054446172575 |
9 | 667513880188 |
10 | 212141143421 |
11 | 81a72165a29 |
12 | 351457814a5 |
13 | 1700a7a15cc |
14 | a3a676047b |
15 | 57b92c514b |
hex | 316498f57d |
212141143421 has 8 divisors (see below), whose sum is σ = 219003208704. Its totient is φ = 205280253360.
The previous prime is 212141143397. The next prime is 212141143427. The reversal of 212141143421 is 124341141212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212141143421 - 222 = 212136949117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212141143427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80651 + ... + 656343.
It is an arithmetic number, because the mean of its divisors is an integer number (27375401088).
Almost surely, 2212141143421 is an apocalyptic number.
It is an amenable number.
212141143421 is a deficient number, since it is larger than the sum of its proper divisors (6862065283).
212141143421 is a wasteful number, since it uses less digits than its factorization.
212141143421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 587611.
The product of its digits is 1536, while the sum is 26.
Adding to 212141143421 its reverse (124341141212), we get a palindrome (336482284633).
The spelling of 212141143421 in words is "two hundred twelve billion, one hundred forty-one million, one hundred forty-three thousand, four hundred twenty-one".
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