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1000212421243 = 7178405146397
BaseRepresentation
bin11101000111000010100…
…11100101101001111011
310112121201112010112122111
432203201103211221323
5112341413334434433
62043254035233151
7132156124205650
oct16434123455173
93477645115574
101000212421243
11356207922142
12141a211487b7
13734202b1799
14365a673dc27
151b040225dcd
hexe8e14e5a7b

1000212421243 has 8 divisors (see below), whose sum is σ = 1210341081312. Its totient is φ = 806894054016.

The previous prime is 1000212421223. The next prime is 1000212421253. The reversal of 1000212421243 is 3421242120001.

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 1000212421243 - 213 = 1000212413051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000212421213) 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, 4202573080 + ... + 4202573317.

It is an arithmetic number, because the mean of its divisors is an integer number (151292635164).

Almost surely, 21000212421243 is an apocalyptic number.

1000212421243 is a deficient number, since it is larger than the sum of its proper divisors (210128660069).

1000212421243 is an equidigital number, since it uses as much as digits as its factorization.

1000212421243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405146421.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1000212421243 its reverse (3421242120001), we get a palindrome (4421454541244).

The spelling of 1000212421243 in words is "one trillion, two hundred twelve million, four hundred twenty-one thousand, two hundred forty-three".

Divisors: 1 7 17 119 8405146397 58836024779 142887488749 1000212421243