Search a number
-
+
83492507894 = 210112718117981
BaseRepresentation
bin100110111000010001…
…0101001000011110110
321222111201212212011012
41031300202221003312
52331443040223034
6102204514112222
76014010415235
oct1156042510366
9258451785135
1083492507894
1132455386a44
121422157b672
137b4787a233
144080946b1c
152289deacce
hex13708a90f6

83492507894 has 32 divisors (see below), whose sum is σ = 128186053632. Its totient is φ = 40778640000.

The previous prime is 83492507893. The next prime is 83492507909. The reversal of 83492507894 is 49870529438.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83492507893) 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, 4634384 + ... + 4652364.

It is an arithmetic number, because the mean of its divisors is an integer number (4005814176).

Almost surely, 283492507894 is an apocalyptic number.

83492507894 is a deficient number, since it is larger than the sum of its proper divisors (44693545738).

83492507894 is a wasteful number, since it uses less digits than its factorization.

83492507894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18392.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 83492507894 in words is "eighty-three billion, four hundred ninety-two million, five hundred seven thousand, eight hundred ninety-four".

Divisors: 1 2 101 127 181 202 254 362 12827 17981 18281 22987 25654 35962 36562 45974 1816081 2283587 2321687 3254561 3632162 4567174 4643374 6509122 230642287 328710661 413329247 461284574 657421322 826658494 41746253947 83492507894