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84280122300421 = 768115731697511
BaseRepresentation
bin10011001010011011111110…
…110000000101100000000101
3102001102002201122001222200201
4103022123332300011200011
542021321142302103141
6455125430443410501
723516015666314165
oct2312337660054005
9361362648058621
1084280122300421
1124943aa9951113
129552076523a31
133804773532928
1416b52730a85a5
159b24bce44031
hex4ca6fec05805

84280122300421 has 8 divisors (see below), whose sum is σ = 84296573978688. Its totient is φ = 84263672064000.

The previous prime is 84280122300419. The next prime is 84280122300443. The reversal of 84280122300421 is 12400322108248.

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 84280122300421 - 21 = 84280122300419 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 (84280122300221) 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, 120481056 + ... + 121178566.

It is an arithmetic number, because the mean of its divisors is an integer number (10537071747336).

Almost surely, 284280122300421 is an apocalyptic number.

It is an amenable number.

84280122300421 is a deficient number, since it is larger than the sum of its proper divisors (16451678267).

84280122300421 is a wasteful number, since it uses less digits than its factorization.

84280122300421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720923.

The product of its (nonzero) digits is 49152, while the sum is 37.

Adding to 84280122300421 its reverse (12400322108248), we get a palindrome (96680444408669).

The spelling of 84280122300421 in words is "eighty-four trillion, two hundred eighty billion, one hundred twenty-two million, three hundred thousand, four hundred twenty-one".

Divisors: 1 7681 15731 697511 120829811 5357581991 10972545541 84280122300421