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83040706443 = 3196721744097
BaseRepresentation
bin100110101010110011…
…1001001111110001011
321221100020201222002010
41031111213021332023
52330031410101233
6102052014311003
75666553233652
oct1152547117613
9257306658063
1083040706443
113224334a912
12141161b8463
137aa509c5b6
14403a93a199
152260403b63
hex13559c9f8b

83040706443 has 16 divisors (see below), whose sum is σ = 118287893120. Its totient is φ = 51663972096.

The previous prime is 83040706423. The next prime is 83040706451. The reversal of 83040706443 is 34460704038.

It is not a de Polignac number, because 83040706443 - 29 = 83040705931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83040706423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10868230 + ... + 10875867.

It is an arithmetic number, because the mean of its divisors is an integer number (7392993320).

Almost surely, 283040706443 is an apocalyptic number.

83040706443 is a deficient number, since it is larger than the sum of its proper divisors (35247186677).

83040706443 is a wasteful number, since it uses less digits than its factorization.

83040706443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21744186.

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 83040706443 in words is "eighty-three billion, forty million, seven hundred six thousand, four hundred forty-three".

Divisors: 1 3 19 57 67 201 1273 3819 21744097 65232291 413137843 1239413529 1456854499 4370563497 27680235481 83040706443