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104868667391 = 229457941779
BaseRepresentation
bin110000110101010101…
…0001101111111111111
3101000200110220021100012
41201222222031333333
53204232334324031
6120102003253435
710401512652035
oct1415252157777
9330613807305
10104868667391
11405246a0a64
12183a837a27b
139b733a7117
14510b8d6555
152adb89cb2b
hex186aa8dfff

104868667391 has 4 divisors (see below), whose sum is σ = 105326609400. Its totient is φ = 104410725384.

The previous prime is 104868667361. The next prime is 104868667399. The reversal of 104868667391 is 193766868401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 193766868401 = 788572457193.

It is a cyclic number.

It is not a de Polignac number, because 104868667391 - 234 = 87688798207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104868667391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104868667399) 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, 228970661 + ... + 228971118.

It is an arithmetic number, because the mean of its divisors is an integer number (26331652350).

Almost surely, 2104868667391 is an apocalyptic number.

104868667391 is a deficient number, since it is larger than the sum of its proper divisors (457942009).

104868667391 is an equidigital number, since it uses as much as digits as its factorization.

104868667391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457942008.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 104868667391 in words is "one hundred four billion, eight hundred sixty-eight million, six hundred sixty-seven thousand, three hundred ninety-one".

Divisors: 1 229 457941779 104868667391