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104131133111 = 791318115609
BaseRepresentation
bin110000011111010110…
…0101111111010110111
3100221210002002122111202
41200332230233322313
53201230032224421
6115500455323115
710344316012235
oct1407654577267
9327702078452
10104131133111
11401863455a5
121822138049b
139a866555c5
14507b98b955
152a96c6410b
hex183eb2feb7

104131133111 has 4 divisors (see below), whose sum is σ = 105449248800. Its totient is φ = 102813017424.

The previous prime is 104131133089. The next prime is 104131133131. The reversal of 104131133111 is 111331131401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111331131401 = 715904447343.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104131133111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104131133131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659057726 + ... + 659057883.

It is an arithmetic number, because the mean of its divisors is an integer number (26362312200).

Almost surely, 2104131133111 is an apocalyptic number.

104131133111 is a deficient number, since it is larger than the sum of its proper divisors (1318115689).

104131133111 is an equidigital number, since it uses as much as digits as its factorization.

104131133111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318115688.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 104131133111 its reverse (111331131401), we get a palindrome (215462264512).

The spelling of 104131133111 in words is "one hundred four billion, one hundred thirty-one million, one hundred thirty-three thousand, one hundred eleven".

Divisors: 1 79 1318115609 104131133111