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13012111101 = 311394306397
BaseRepresentation
bin11000001111001010…
…10000111011111101
31020120211120201202210
430013211100323331
5203122100023401
65551102411033
7640311055653
oct140745207375
936524521683
1013012111101
115577aa7730
122631890a79
1312c4a52432
148b61dcdd3
155125454d6
hex307950efd

13012111101 has 8 divisors (see below), whose sum is σ = 18926707104. Its totient is φ = 7886127920.

The previous prime is 13012111067. The next prime is 13012111129. The reversal of 13012111101 is 10111121031.

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

It is not a de Polignac number, because 13012111101 - 210 = 13012110077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012111171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197153166 + ... + 197153231.

It is an arithmetic number, because the mean of its divisors is an integer number (2365838388).

Almost surely, 213012111101 is an apocalyptic number.

13012111101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13012111101 is a deficient number, since it is larger than the sum of its proper divisors (5914596003).

13012111101 is a wasteful number, since it uses less digits than its factorization.

13012111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394306411.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 13012111101 its reverse (10111121031), we get a palindrome (23123232132).

The spelling of 13012111101 in words is "thirteen billion, twelve million, one hundred eleven thousand, one hundred one".

Divisors: 1 3 11 33 394306397 1182919191 4337370367 13012111101