Search a number
-
+
85858518351 = 373571757907
BaseRepresentation
bin100111111110110010…
…0010000010101001111
322012121121221122100010
41033331210100111033
52401314240041401
6103235354004303
76126440236014
oct1177544202517
9265547848303
1085858518351
1133459993691
1214781a16693
138133ac5018
144226c7970b
1523779aaed6
hex13fd91054f

85858518351 has 32 divisors (see below), whose sum is σ = 116531354368. Its totient is φ = 56219546880.

The previous prime is 85858518307. The next prime is 85858518379. The reversal of 85858518351 is 15381585858.

It is a happy number.

It is not a de Polignac number, because 85858518351 - 27 = 85858518223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85858518291 and 85858518300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85858511351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94661640 + ... + 94662546.

It is an arithmetic number, because the mean of its divisors is an integer number (3641604824).

Almost surely, 285858518351 is an apocalyptic number.

85858518351 is a deficient number, since it is larger than the sum of its proper divisors (30672836017).

85858518351 is a wasteful number, since it uses less digits than its factorization.

85858518351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311.

The product of its digits is 7680000, while the sum is 57.

The spelling of 85858518351 in words is "eighty-five billion, eight hundred fifty-eight million, five hundred eighteen thousand, three hundred fifty-one".

Divisors: 1 3 73 219 571 757 907 1713 2271 2721 41683 55261 66211 125049 165783 198633 432247 517897 686599 1296741 1553691 2059797 31554031 37806481 50121727 94662093 113419443 150365181 392048029 1176144087 28619506117 85858518351