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85883698109 = 1122861248089
BaseRepresentation
bin100111111111100010…
…0010011101110111101
322012200101022220110202
41033333010103232331
52401342211314414
6103242053413245
76130164250256
oct1177704235675
9265611286422
1085883698109
1133472121600
121478a33a225
13813909cca1
14422a351b2d
152379cd19de
hex13ff113bbd

85883698109 has 12 divisors (see below), whose sum is σ = 94434466140. Its totient is φ = 78048484800.

The previous prime is 85883698091. The next prime is 85883698111. The reversal of 85883698109 is 90189638858.

It can be written as a sum of positive squares in 2 ways, for example, as 55791857209 + 30091840900 = 236203^2 + 173470^2 .

It is not a de Polignac number, because 85883698109 - 220 = 85882649533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85883691109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222137 + ... + 470225.

It is an arithmetic number, because the mean of its divisors is an integer number (7869538845).

Almost surely, 285883698109 is an apocalyptic number.

It is an amenable number.

85883698109 is a deficient number, since it is larger than the sum of its proper divisors (8550768031).

85883698109 is a wasteful number, since it uses less digits than its factorization.

85883698109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250972 (or 250961 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 65.

The spelling of 85883698109 in words is "eighty-five billion, eight hundred eighty-three million, six hundred ninety-eight thousand, one hundred nine".

Divisors: 1 11 121 2861 31471 248089 346181 2728979 30018769 709782629 7807608919 85883698109