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12260191841 = 139253134849
BaseRepresentation
bin10110110101100001…
…11010111001100001
31011122102201021110022
423122300322321201
5200102102114331
65344322243225
7612550624352
oct133260727141
934572637408
1012260191841
115221616657
122461ab6515
1312050351b1
148443cbd29
154bb51967b
hex2dac3ae61

12260191841 has 8 divisors (see below), whose sum is σ = 12353628000. Its totient is φ = 12166830720.

The previous prime is 12260191813. The next prime is 12260191843. The reversal of 12260191841 is 14819106221.

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 12260191841 - 218 = 12259929697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12260191843) 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, 334385 + ... + 369233.

It is an arithmetic number, because the mean of its divisors is an integer number (1544203500).

Almost surely, 212260191841 is an apocalyptic number.

It is an amenable number.

12260191841 is a deficient number, since it is larger than the sum of its proper divisors (93436159).

12260191841 is a wasteful number, since it uses less digits than its factorization.

12260191841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37519.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 12260191841 in words is "twelve billion, two hundred sixty million, one hundred ninety-one thousand, eight hundred forty-one".

Divisors: 1 139 2531 34849 351809 4844011 88202819 12260191841