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104104221031 = 826912589699
BaseRepresentation
bin110000011110100011…
…0000101100101100111
3100221201012110101002001
41200331012011211213
53201201140033111
6115454054430131
710343541164326
oct1407506054547
9327635411061
10104104221031
1140172134108
1218214362347
139a80bc1cb5
1450781840bd
152a946ea1c1
hex183d185967

104104221031 has 4 divisors (see below), whose sum is σ = 104116819000. Its totient is φ = 104091623064.

The previous prime is 104104220963. The next prime is 104104221041. The reversal of 104104221031 is 130122401401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104104221031 - 27 = 104104220903 is a prime.

It is a super-2 number, since 2×1041042210312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104104221041) 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, 6286581 + ... + 6303118.

It is an arithmetic number, because the mean of its divisors is an integer number (26029204750).

Almost surely, 2104104221031 is an apocalyptic number.

104104221031 is a deficient number, since it is larger than the sum of its proper divisors (12597969).

104104221031 is an equidigital number, since it uses as much as digits as its factorization.

104104221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12597968.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 104104221031 its reverse (130122401401), we get a palindrome (234226622432).

The spelling of 104104221031 in words is "one hundred four billion, one hundred four million, two hundred twenty-one thousand, thirty-one".

Divisors: 1 8269 12589699 104104221031