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100000000117 = 457218818381
BaseRepresentation
bin101110100100001110…
…1101110100001110101
3100120010011122100102001
41131020131232201311
53114300000000432
6113534523015301
710140043655563
oct1351035564165
9316104570361
10100000000117
11394564361a6
121746996a531
13957880c804
144ba9060a33
1529042399e7
hex174876e875

100000000117 has 4 divisors (see below), whose sum is σ = 100218818956. Its totient is φ = 99781181280.

The previous prime is 100000000103. The next prime is 100000000129. The reversal of 100000000117 is 711000000001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711000000001 = 3122935483871.

It can be written as a sum of positive squares in 2 ways, for example, as 90957131281 + 9042868836 = 301591^2 + 95094^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000000117 - 215 = 99999967349 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 (100000000417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109408734 + ... + 109409647.

It is an arithmetic number, because the mean of its divisors is an integer number (25054704739).

Almost surely, 2100000000117 is an apocalyptic number.

It is an amenable number.

100000000117 is a deficient number, since it is larger than the sum of its proper divisors (218818839).

100000000117 is an equidigital number, since it uses as much as digits as its factorization.

100000000117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218818838.

The product of its (nonzero) digits is 7, while the sum is 10.

Adding to 100000000117 its reverse (711000000001), we get a palindrome (811000000118).

The spelling of 100000000117 in words is "one hundred billion, one hundred seventeen", and thus it is an aban number.

Divisors: 1 457 218818381 100000000117