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1230320104 = 231390713043
BaseRepresentation
bin100100101010101…
…0011000111101000
310011202001201220021
41021111103013220
510004430220404
6322030010224
742326356036
oct11125230750
93152051807
101230320104
11581535782
122a4046974
13167b7c080
14b9583556
1573029454
hex495531e8

1230320104 has 32 divisors (see below), whose sum is σ = 2487229920. Its totient is φ = 567170496.

The previous prime is 1230320093. The next prime is 1230320123. The reversal of 1230320104 is 4010230321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87807 + ... + 100849.

It is an arithmetic number, because the mean of its divisors is an integer number (77725935).

Almost surely, 21230320104 is an apocalyptic number.

It is an amenable number.

1230320104 is an abundant number, since it is smaller than the sum of its proper divisors (1256909816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230320104 is a wasteful number, since it uses less digits than its factorization.

1230320104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13969 (or 13965 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1230320104 is about 35075.9191469019. The cubic root of 1230320104 is about 1071.5342081428.

Adding to 1230320104 its reverse (4010230321), we get a palindrome (5240550425).

The spelling of 1230320104 in words is "one billion, two hundred thirty million, three hundred twenty thousand, one hundred four".

Divisors: 1 2 4 8 13 26 52 104 907 1814 3628 7256 11791 13043 23582 26086 47164 52172 94328 104344 169559 339118 678236 1356472 11830001 23660002 47320004 94640008 153790013 307580026 615160052 1230320104