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82122453280767 = 3791867185596273
BaseRepresentation
bin10010101011000010011111…
…101001111110011111111111
3101202202211101222011001122010
4102223002133221332133333
541230443241014441032
6450354311220222303
723204102643255024
oct2253023751763777
9352684358131563
1082122453280767
1124191a33a49209
129263a6b53a993
1336a9163933073
14163ca6851954b
159762d7e69ccc
hex4ab09fa7e7ff

82122453280767 has 16 divisors (see below), whose sum is σ = 110942028746240. Its totient is φ = 54026332394112.

The previous prime is 82122453280757. The next prime is 82122453280801. The reversal of 82122453280767 is 76708235422128.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-82122453280767 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 (82122453280757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92355658 + ... + 93240615.

It is an arithmetic number, because the mean of its divisors is an integer number (6933876796640).

Almost surely, 282122453280767 is an apocalyptic number.

82122453280767 is a deficient number, since it is larger than the sum of its proper divisors (28819575465473).

82122453280767 is a wasteful number, since it uses less digits than its factorization.

82122453280767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185598222.

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 82122453280767 in words is "eighty-two trillion, one hundred twenty-two billion, four hundred fifty-three million, two hundred eighty thousand, seven hundred sixty-seven".

Divisors: 1 3 79 237 1867 5601 147493 442479 185596273 556788819 14662105567 43986316701 346508241691 1039524725073 27374151093589 82122453280767