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12994398111 = 310740480991
BaseRepresentation
bin11000001101000011…
…01100011110011111
31020112121020211010010
430012201230132133
5203103031214421
65545231014303
7640004363412
oct140641543637
936477224103
1012994398111
115568aa96a2
12262796a393
1312c118cc86
148b3b0bb79
15510be7076
hex30686c79f

12994398111 has 8 divisors (see below), whose sum is σ = 17487788544. Its totient is φ = 8581969880.

The previous prime is 12994398101. The next prime is 12994398127. The reversal of 12994398111 is 11189349921.

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 12994398111 - 26 = 12994398047 is a prime.

It is a super-3 number, since 3×129943981113 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12994398101) 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, 20240175 + ... + 20240816.

It is an arithmetic number, because the mean of its divisors is an integer number (2185973568).

Almost surely, 212994398111 is an apocalyptic number.

12994398111 is a deficient number, since it is larger than the sum of its proper divisors (4493390433).

12994398111 is a wasteful number, since it uses less digits than its factorization.

12994398111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40481101.

The product of its digits is 139968, while the sum is 48.

The spelling of 12994398111 in words is "twelve billion, nine hundred ninety-four million, three hundred ninety-eight thousand, one hundred eleven".

Divisors: 1 3 107 321 40480991 121442973 4331466037 12994398111