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104042353231 = 483121536401
BaseRepresentation
bin110000011100101101…
…0000101001001001111
3100221112220001011102001
41200321122011021033
53201034320300411
6115444004413131
710342160260615
oct1407132051117
9327486034361
10104042353231
11401402179a3
12181b76a71a7
139a7113cb2b
14506dc7b6b5
152a8e078dc1
hex183968524f

104042353231 has 4 divisors (see below), whose sum is σ = 104063894464. Its totient is φ = 104020812000.

The previous prime is 104042353229. The next prime is 104042353267. The reversal of 104042353231 is 132353240401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132353240401 = 335633943427.

It is a cyclic number.

It is not a de Polignac number, because 104042353231 - 21 = 104042353229 is a prime.

It is a super-2 number, since 2×1040423532312 (a number of 23 digits) contains 22 as substring.

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 104042353231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104042353291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10763370 + ... + 10773031.

It is an arithmetic number, because the mean of its divisors is an integer number (26015973616).

Almost surely, 2104042353231 is an apocalyptic number.

104042353231 is a deficient number, since it is larger than the sum of its proper divisors (21541233).

104042353231 is an equidigital number, since it uses as much as digits as its factorization.

104042353231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21541232.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 104042353231 its reverse (132353240401), we get a palindrome (236395593632).

The spelling of 104042353231 in words is "one hundred four billion, forty-two million, three hundred fifty-three thousand, two hundred thirty-one".

Divisors: 1 4831 21536401 104042353231