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12179757049 = 174715243751
BaseRepresentation
bin10110101011111100…
…00101011111111001
31011102211100202122221
423111332011133321
5144421004211144
65332330244041
7610553140525
oct132576053771
934384322587
1012179757049
115190178819
12243ab86621
1311c1481c45
14837850d85
154b442bd84
hex2d5f857f9

12179757049 has 8 divisors (see below), whose sum is σ = 13170601728. Its totient is φ = 11219400000.

The previous prime is 12179757047. The next prime is 12179757071. The reversal of 12179757049 is 94075797121.

It is a happy number.

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 12179757049 - 21 = 12179757047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12179756987 and 12179757005.

It is not an unprimeable number, because it can be changed into a prime (12179757041) 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, 7621077 + ... + 7622674.

It is an arithmetic number, because the mean of its divisors is an integer number (1646325216).

Almost surely, 212179757049 is an apocalyptic number.

It is an amenable number.

12179757049 is a deficient number, since it is larger than the sum of its proper divisors (990844679).

12179757049 is a wasteful number, since it uses less digits than its factorization.

12179757049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15243815.

The product of its (nonzero) digits is 1111320, while the sum is 52.

The spelling of 12179757049 in words is "twelve billion, one hundred seventy-nine million, seven hundred fifty-seven thousand, forty-nine".

Divisors: 1 17 47 799 15243751 259143767 716456297 12179757049