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12756262570069 = 43331099475777
BaseRepresentation
bin1011100110100000110001…
…1111111100100001010101
31200011111010212112012020211
42321220030133330201111
53132444311204220234
643044051321325421
72454416035544404
oct271501437744125
950144125465224
1012756262570069
11407899a736097
1215202ba636871
13716bab1b92b5
1432159925163b
15171c4656e164
hexb9a0c7fc855

12756262570069 has 8 divisors (see below), whose sum is σ = 12789836597720. Its totient is φ = 12722707501056.

The previous prime is 12756262570033. The next prime is 12756262570111. The reversal of 12756262570069 is 96007526265721.

It can be written as a sum of positive squares in 4 ways, for example, as 125787262225 + 12630475307844 = 354665^2 + 3553938^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12756262570069 - 213 = 12756262561877 is a prime.

It is a super-2 number, since 2×127562625700692 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12756262569995 and 12756262570022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12756262570169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3391692 + ... + 6084085.

It is an arithmetic number, because the mean of its divisors is an integer number (1598729574715).

Almost surely, 212756262570069 is an apocalyptic number.

It is an amenable number.

12756262570069 is a deficient number, since it is larger than the sum of its proper divisors (33574027651).

12756262570069 is an equidigital number, since it uses as much as digits as its factorization.

12756262570069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479319.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 12756262570069 in words is "twelve trillion, seven hundred fifty-six billion, two hundred sixty-two million, five hundred seventy thousand, sixty-nine".

Divisors: 1 433 3109 1346197 9475777 4103011441 29460190693 12756262570069