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83424242438 = 21931311036359
BaseRepresentation
bin100110110110001111…
…0001110101100000110
321222022222102121112222
41031230132032230012
52331323101224223
6102154035012342
76012221234465
oct1155436165406
9258288377488
1083424242438
113241a8a0109
121420273a0b2
137b36698084
1440758569dc
152283e140c8
hex136c78eb06

83424242438 has 32 divisors (see below), whose sum is σ = 132283929600. Its totient is φ = 39348593856.

The previous prime is 83424242437. The next prime is 83424242453.

83424242438 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83424242437) 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, 13115903 + ... + 13122261.

It is an arithmetic number, because the mean of its divisors is an integer number (4133872800).

Almost surely, 283424242438 is an apocalyptic number.

83424242438 is a deficient number, since it is larger than the sum of its proper divisors (48859687162).

83424242438 is a wasteful number, since it uses less digits than its factorization.

83424242438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7796.

The product of its digits is 1179648, while the sum is 44.

The spelling of 83424242438 in words is "eighty-three billion, four hundred twenty-four million, two hundred forty-two thousand, four hundred thirty-eight".

Divisors: 1 2 19 38 313 626 1103 2206 5947 6359 11894 12718 20957 41914 120821 241642 345239 690478 1990367 3980734 6559541 7013977 13119082 14027954 37816973 75633946 133265563 266531126 2195374801 4390749602 41712121219 83424242438