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101080613585 = 572412573933
BaseRepresentation
bin101111000100011011…
…1111100001011010001
3100122220111000012102002
41132020313330023101
53124003114113320
6114234044203345
710205605016300
oct1361067741321
9318814005362
10101080613585
113996040a086
121770b839555
1396bb663373
144c6c794437
152969041675
hex1788dfc2d1

101080613585 has 12 divisors (see below), whose sum is σ = 141100285428. Its totient is φ = 69312420576.

The previous prime is 101080613581. The next prime is 101080613603. The reversal of 101080613585 is 585316080101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44005970176 + 57074643409 = 209776^2 + 238903^2 .

It is not a de Polignac number, because 101080613585 - 22 = 101080613581 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101080613581) 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, 206286722 + ... + 206287211.

It is an arithmetic number, because the mean of its divisors is an integer number (11758357119).

Almost surely, 2101080613585 is an apocalyptic number.

It is an amenable number.

101080613585 is a deficient number, since it is larger than the sum of its proper divisors (40019671843).

101080613585 is an equidigital number, since it uses as much as digits as its factorization.

101080613585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412573952 (or 412573945 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

Adding to 101080613585 its reverse (585316080101), we get a palindrome (686396693686).

The spelling of 101080613585 in words is "one hundred one billion, eighty million, six hundred thirteen thousand, five hundred eighty-five".

Divisors: 1 5 7 35 49 245 412573933 2062869665 2888017531 14440087655 20216122717 101080613585