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12672113720171 = 312411696173701
BaseRepresentation
bin1011100001100111010011…
…0101100011101101101011
31122212102221101121201010112
42320121310311203231223
53130104442103021141
642541253315404535
72445346535246453
oct270316465435553
948772841551115
1012672113720171
114046238919744
121507b352b374b
1370bc8a677519
1431b495496d63
1516e96dc267eb
hexb8674d63b6b

12672113720171 has 8 divisors (see below), whose sum is σ = 13135169148288. Its totient is φ = 12212450640000.

The previous prime is 12672113720131. The next prime is 12672113720213. The reversal of 12672113720171 is 17102731127621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12672113720171 is a prime.

It is a super-2 number, since 2×126721137201712 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12672113720131) 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, 848079380 + ... + 848094321.

It is an arithmetic number, because the mean of its divisors is an integer number (1641896143536).

Almost surely, 212672113720171 is an apocalyptic number.

12672113720171 is a deficient number, since it is larger than the sum of its proper divisors (463055428117).

12672113720171 is a wasteful number, since it uses less digits than its factorization.

12672113720171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696173973.

The product of its (nonzero) digits is 49392, while the sum is 41.

Adding to 12672113720171 its reverse (17102731127621), we get a palindrome (29774844847792).

The spelling of 12672113720171 in words is "twelve trillion, six hundred seventy-two billion, one hundred thirteen million, seven hundred twenty thousand, one hundred seventy-one".

Divisors: 1 31 241 7471 1696173701 52581384731 408777861941 12672113720171