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212828956741 = 1911201524039
BaseRepresentation
bin1100011000110110011…
…0000010100001000101
3202100100102020012201101
43012031212002201011
511441333203103431
6241434451100101
721243046166152
oct3061546024105
9670312205641
10212828956741
1182295441295
12352b7ba1631
13170ba134a3b
14a42dc45229
15580988b961
hex318d982845

212828956741 has 4 divisors (see below), whose sum is σ = 224030480800. Its totient is φ = 201627432684.

The previous prime is 212828956709. The next prime is 212828956771. The reversal of 212828956741 is 147659828212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212828956741 - 25 = 212828956709 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 (212828956771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5600762001 + ... + 5600762038.

It is an arithmetic number, because the mean of its divisors is an integer number (56007620200).

Almost surely, 2212828956741 is an apocalyptic number.

It is an amenable number.

212828956741 is a deficient number, since it is larger than the sum of its proper divisors (11201524059).

212828956741 is a wasteful number, since it uses less digits than its factorization.

212828956741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201524058.

The product of its digits is 3870720, while the sum is 55.

The spelling of 212828956741 in words is "two hundred twelve billion, eight hundred twenty-eight million, nine hundred fifty-six thousand, seven hundred forty-one".

Divisors: 1 19 11201524039 212828956741