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85119101 = 95389317
BaseRepresentation
bin1010001001011…
…01000001111101
312221011111110022
411010231001331
5133242302401
612240221525
72052333434
oct504550175
9187144408
1085119101
1144058271
122460a8a5
1314833442
14b43a11b
15771571b
hex512d07d

85119101 has 4 divisors (see below), whose sum is σ = 85209372. Its totient is φ = 85028832.

The previous prime is 85119079. The next prime is 85119173. The reversal of 85119101 is 10191158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35402500 + 49716601 = 5950^2 + 7051^2 .

It is a cyclic number.

It is not a de Polignac number, because 85119101 - 218 = 84856957 is a prime.

It is a super-2 number, since 2×851191012 = 14490522710096402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85119191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43706 + ... + 45611.

It is an arithmetic number, because the mean of its divisors is an integer number (21302343).

Almost surely, 285119101 is an apocalyptic number.

It is an amenable number.

85119101 is a deficient number, since it is larger than the sum of its proper divisors (90271).

85119101 is an equidigital number, since it uses as much as digits as its factorization.

85119101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90270.

The product of its (nonzero) digits is 360, while the sum is 26.

The square root of 85119101 is about 9226.0013548666. The cubic root of 85119101 is about 439.8882309083. Note that the first 3 decimals are identical.

The spelling of 85119101 in words is "eighty-five million, one hundred nineteen thousand, one hundred one".

Divisors: 1 953 89317 85119101