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107186816117 = 247343342829
BaseRepresentation
bin110001111010011010…
…1010000010001110101
3101020200000220102120102
41203310311100101311
53224004311103432
6121124013243445
710513121622113
oct1436465202165
9336600812512
10107186816117
1141504188457
1218934793585
13a152734b64
14528b72aab3
152bc5156962
hex18f4d50475

107186816117 has 4 divisors (see below), whose sum is σ = 107230161420. Its totient is φ = 107143470816.

The previous prime is 107186816111. The next prime is 107186816141. The reversal of 107186816117 is 711618681701.

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 53582527441 + 53604288676 = 231479^2 + 231526^2 .

It is a cyclic number.

It is not a de Polignac number, because 107186816117 - 216 = 107186750581 is a prime.

It is a super-2 number, since 2×1071868161172 (a number of 23 digits) 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 (107186816111) 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, 21668942 + ... + 21673887.

It is an arithmetic number, because the mean of its divisors is an integer number (26807540355).

Almost surely, 2107186816117 is an apocalyptic number.

It is an amenable number.

107186816117 is a deficient number, since it is larger than the sum of its proper divisors (43345303).

107186816117 is an equidigital number, since it uses as much as digits as its factorization.

107186816117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43345302.

The product of its (nonzero) digits is 112896, while the sum is 47.

The spelling of 107186816117 in words is "one hundred seven billion, one hundred eighty-six million, eight hundred sixteen thousand, one hundred seventeen".

Divisors: 1 2473 43342829 107186816117