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84407457369 = 3157758323633
BaseRepresentation
bin100111010011100010…
…0111001011001011001
322001212111112002212210
41032213010321121121
52340331302113434
6102435400425333
76045460356354
oct1164704713131
9261774462783
1084407457369
113288489a034
1214437a78249
137c622a9261
14412a27529b
1522e03cbee9
hex13a7139659

84407457369 has 16 divisors (see below), whose sum is σ = 113279841792. Its totient is φ = 55903481088.

The previous prime is 84407457359. The next prime is 84407457413. The reversal of 84407457369 is 96375470448.

It is not a de Polignac number, because 84407457369 - 24 = 84407457353 is a prime.

It is a super-2 number, since 2×844074573692 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84407457359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3559777 + ... + 3583409.

It is an arithmetic number, because the mean of its divisors is an integer number (7079990112).

Almost surely, 284407457369 is an apocalyptic number.

It is an amenable number.

84407457369 is a deficient number, since it is larger than the sum of its proper divisors (28872384423).

84407457369 is a wasteful number, since it uses less digits than its factorization.

84407457369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31376.

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 84407457369 in words is "eighty-four billion, four hundred seven million, four hundred fifty-seven thousand, three hundred sixty-nine".

Divisors: 1 3 157 471 7583 22749 23633 70899 1190531 3571593 3710381 11131143 179209039 537627117 28135819123 84407457369