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282000121021 = 1723721227931
BaseRepresentation
bin1000001101010001000…
…01000101110010111101
3222221220001222102201201
410012220201011302331
514110014012333041
6333314333135501
726242140323143
oct4065041056275
9887801872651
10282000121021
11a9660797863
12467a132a591
1320791941448
14d912747593
15750732b631
hex41a8845cbd

282000121021 has 8 divisors (see below), whose sum is σ = 311570466624. Its totient is φ = 253872231360.

The previous prime is 282000121009. The next prime is 282000121033. The reversal of 282000121021 is 120121000282.

It is an interprime number because it is at equal distance from previous prime (282000121009) and next prime (282000121033).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-282000121021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 282000121021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282000121001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 360613575 + ... + 360614356.

It is an arithmetic number, because the mean of its divisors is an integer number (38946308328).

Almost surely, 2282000121021 is an apocalyptic number.

It is an amenable number.

282000121021 is a deficient number, since it is larger than the sum of its proper divisors (29570345603).

282000121021 is a wasteful number, since it uses less digits than its factorization.

282000121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721227971.

The product of its (nonzero) digits is 128, while the sum is 19.

The spelling of 282000121021 in words is "two hundred eighty-two billion, one hundred twenty-one thousand, twenty-one".

Divisors: 1 17 23 391 721227931 12260874827 16588242413 282000121021