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89344142719 = 131719112318947
BaseRepresentation
bin101001100110101010…
…0110110110101111111
322112121112202201001221
41103031110312311333
52430434100031334
6105013311014211
76312013453126
oct1231524666577
9275545681057
1089344142719
1134988491887
121539520a367
13856ac9a250
144477b74abd
1524cd9c88b4
hex14cd536d7f

89344142719 has 32 divisors (see below), whose sum is σ = 107339662080. Its totient is φ = 73465615872.

The previous prime is 89344142707. The next prime is 89344142743. The reversal of 89344142719 is 91724144398.

It is a happy number.

It is not a de Polignac number, because 89344142719 - 25 = 89344142687 is a prime.

It is a super-2 number, since 2×893441427192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89344142519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4706004 + ... + 4724950.

It is an arithmetic number, because the mean of its divisors is an integer number (3354364440).

Almost surely, 289344142719 is an apocalyptic number.

89344142719 is a deficient number, since it is larger than the sum of its proper divisors (17995519361).

89344142719 is a wasteful number, since it uses less digits than its factorization.

89344142719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20119.

The product of its digits is 1741824, while the sum is 52.

The spelling of 89344142719 in words is "eighty-nine billion, three hundred forty-four million, one hundred forty-two thousand, seven hundred nineteen".

Divisors: 1 13 17 19 221 247 323 1123 4199 14599 18947 19091 21337 246311 248183 277381 322099 359993 362729 4187287 4679909 4715477 6119881 21277481 79558453 276607253 361717177 404272139 4702323301 5255537807 6872626363 89344142719