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9935790085 = 513152858309
BaseRepresentation
bin10010100000011100…
…00010000000000101
3221122102221102200101
421100032002000011
5130322030240320
64321530244101
7501134552014
oct112016020005
927572842611
109935790085
114239549171
121b13586631
13c245c8240
146a380aa7b
153d2427c0a
hex250382005

9935790085 has 8 divisors (see below), whose sum is σ = 12840098040. Its totient is φ = 7337198784.

The previous prime is 9935790077. The next prime is 9935790089. The reversal of 9935790085 is 5800975399.

It can be written as a sum of positive squares in 4 ways, for example, as 3076516 + 9932713569 = 1754^2 + 99663^2 .

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 9935790085 - 23 = 9935790077 is a prime.

It is a super-2 number, since 2×99357900852 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9935790089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76429090 + ... + 76429219.

It is an arithmetic number, because the mean of its divisors is an integer number (1605012255).

Almost surely, 29935790085 is an apocalyptic number.

It is an amenable number.

9935790085 is a deficient number, since it is larger than the sum of its proper divisors (2904307955).

9935790085 is a wasteful number, since it uses less digits than its factorization.

9935790085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152858327.

The product of its (nonzero) digits is 3061800, while the sum is 55.

The square root of 9935790085 is about 99678.4333996076. The cubic root of 9935790085 is about 2149.8135828996.

The spelling of 9935790085 in words is "nine billion, nine hundred thirty-five million, seven hundred ninety thousand, eighty-five".

Divisors: 1 5 13 65 152858309 764291545 1987158017 9935790085