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85495132213 = 379421245269
BaseRepresentation
bin100111110011111101…
…0000011000000110101
322011200022011201021021
41033213322003000311
52400043223212323
6103135333221141
76114435430141
oct1174772030065
9264608151237
1085495132213
1133292856267
12146a01917b1
1380a6732c3a
1441d08c6221
152355b2b05d
hex13e7e83035

85495132213 has 8 divisors (see below), whose sum is σ = 87815489720. Its totient is φ = 83175284160.

The previous prime is 85495132211. The next prime is 85495132237. The reversal of 85495132213 is 31223159458.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38941891569 + 46553240644 = 197337^2 + 215762^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85495132213 - 21 = 85495132211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85495132213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85495132211) 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 7 ways as a sum of consecutive naturals, for example, 225943 + ... + 471211.

It is an arithmetic number, because the mean of its divisors is an integer number (10976936215).

Almost surely, 285495132213 is an apocalyptic number.

It is an amenable number.

85495132213 is a deficient number, since it is larger than the sum of its proper divisors (2320357507).

85495132213 is a wasteful number, since it uses less digits than its factorization.

85495132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254727.

The product of its digits is 259200, while the sum is 43.

The spelling of 85495132213 in words is "eighty-five billion, four hundred ninety-five million, one hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 37 9421 245269 348577 9074953 2310679249 85495132213