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1230144104 = 23745194861
BaseRepresentation
bin100100101010010…
…1000001001101000
310011201201210110202
41021110220021220
510004404102404
6322022131332
742325023650
oct11124501150
93151653422
101230144104
11581425522
122a3b80b48
13167b19c27
14b9539360
1572ee221e
hex49528268

1230144104 has 32 divisors (see below), whose sum is σ = 2637148800. Its totient is φ = 526979520.

The previous prime is 1230144073. The next prime is 1230144131. The reversal of 1230144104 is 4014410321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250634 + ... + 255494.

It is an arithmetic number, because the mean of its divisors is an integer number (82410900).

Almost surely, 21230144104 is an apocalyptic number.

1230144104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1230144104 is an abundant number, since it is smaller than the sum of its proper divisors (1407004696).

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

1230144104 is a wasteful number, since it uses less digits than its factorization.

1230144104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9393 (or 9389 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1230144104 is about 35073.4102134366. The cubic root of 1230144104 is about 1071.4831105969.

Adding to 1230144104 its reverse (4014410321), we get a palindrome (5244554425).

The spelling of 1230144104 in words is "one billion, two hundred thirty million, one hundred forty-four thousand, one hundred four".

Divisors: 1 2 4 7 8 14 28 56 4519 4861 9038 9722 18076 19444 31633 34027 36152 38888 63266 68054 126532 136108 253064 272216 21966859 43933718 87867436 153768013 175734872 307536026 615072052 1230144104