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212281871379 = 3411725868873
BaseRepresentation
bin1100010110110011111…
…1000100110000010011
3202021221021210101200120
43011230333010300103
511434223124341004
6241304305121323
721223354064124
oct3055477046023
9667837711616
10212281871379
1182034644a26
1235184929243
13170309a50a6
14a3bb31404b
1557c68223d9
hex316cfc4c13

212281871379 has 8 divisors (see below), whose sum is σ = 289945970832. Its totient is φ = 138069509760.

The previous prime is 212281871377. The next prime is 212281871471. The reversal of 212281871379 is 973178182212.

It is a happy number.

212281871379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212281871379 - 21 = 212281871377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212281871377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862934314 + ... + 862934559.

It is an arithmetic number, because the mean of its divisors is an integer number (36243246354).

Almost surely, 2212281871379 is an apocalyptic number.

212281871379 is a deficient number, since it is larger than the sum of its proper divisors (77664099453).

212281871379 is a wasteful number, since it uses less digits than its factorization.

212281871379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725868917.

The product of its digits is 677376, while the sum is 51.

The spelling of 212281871379 in words is "two hundred twelve billion, two hundred eighty-one million, eight hundred seventy-one thousand, three hundred seventy-nine".

Divisors: 1 3 41 123 1725868873 5177606619 70760623793 212281871379