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16712150117 = 131285550009
BaseRepresentation
bin11111001000001111…
…10010110001100101
31121010200212012002212
433210013302301211
5233211302300432
611402155213205
71131066634505
oct174407626145
947120765085
1016712150117
1170a6633813
1232a4a47205
13176448aa30
14b4778da05
1567c2b82b2
hex3e41f2c65

16712150117 has 4 divisors (see below), whose sum is σ = 17997700140. Its totient is φ = 15426600096.

The previous prime is 16712150051. The next prime is 16712150137. The reversal of 16712150117 is 71105121761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71105121761 = 72479811663.

It can be written as a sum of positive squares in 2 ways, for example, as 714706756 + 15997443361 = 26734^2 + 126481^2 .

It is a cyclic number.

It is not a de Polignac number, because 16712150117 - 214 = 16712133733 is a prime.

It is a super-2 number, since 2×167121501172 (a number of 21 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 (16712150137) 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, 642774992 + ... + 642775017.

It is an arithmetic number, because the mean of its divisors is an integer number (4499425035).

Almost surely, 216712150117 is an apocalyptic number.

It is an amenable number.

16712150117 is a deficient number, since it is larger than the sum of its proper divisors (1285550023).

16712150117 is a wasteful number, since it uses less digits than its factorization.

16712150117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285550022.

The product of its (nonzero) digits is 2940, while the sum is 32.

Adding to 16712150117 its reverse (71105121761), we get a palindrome (87817271878).

The spelling of 16712150117 in words is "sixteen billion, seven hundred twelve million, one hundred fifty thousand, one hundred seventeen".

Divisors: 1 13 1285550009 16712150117