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89454545423 = 6710791113697
BaseRepresentation
bin101001101001111101…
…0000000101000001111
322112220020111202002222
41103103322000220033
52431200330423143
6105032253205555
76314524042655
oct1232372005017
9275806452088
1089454545423
1134a34838a91
12154061908bb
138587b139a9
1444886b2dd5
1524d8535768
hex14d3e80a0f

89454545423 has 16 divisors (see below), whose sum is σ = 91745478144. Its totient is φ = 87193666560.

The previous prime is 89454545417. The next prime is 89454545431. The reversal of 89454545423 is 32454545498.

It is not a de Polignac number, because 89454545423 - 226 = 89387436559 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 (89454542423) 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 15 ways as a sum of consecutive naturals, for example, 6524111 + ... + 6537807.

It is an arithmetic number, because the mean of its divisors is an integer number (5734092384).

Almost surely, 289454545423 is an apocalyptic number.

89454545423 is a deficient number, since it is larger than the sum of its proper divisors (2290932721).

89454545423 is a wasteful number, since it uses less digits than its factorization.

89454545423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14782.

The product of its digits is 13824000, while the sum is 53.

The spelling of 89454545423 in words is "eighty-nine billion, four hundred fifty-four million, five hundred forty-five thousand, four hundred twenty-three".

Divisors: 1 67 107 911 7169 13697 61037 97477 917699 1465579 6530959 12477967 98193793 836023789 1335142469 89454545423