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1240104203 = 13149640219
BaseRepresentation
bin100100111101010…
…0111110100001011
310012102110211011022
41021322213310023
510014431313303
6323015423055
742505466102
oct11172476413
93172424138
101240104203
11587008708
122a7384a8b
13169bc6590
14ba9ad039
1573d0d438
hex49ea7d0b

1240104203 has 8 divisors (see below), whose sum is σ = 1344462000. Its totient is φ = 1137027168.

The previous prime is 1240104193. The next prime is 1240104209. The reversal of 1240104203 is 3024010421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1240104203 - 212 = 1240100107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240104209) 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 7 ways as a sum of consecutive naturals, for example, 318173 + ... + 322046.

It is an arithmetic number, because the mean of its divisors is an integer number (168057750).

Almost surely, 21240104203 is an apocalyptic number.

1240104203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1240104203 is a deficient number, since it is larger than the sum of its proper divisors (104357797).

1240104203 is a wasteful number, since it uses less digits than its factorization.

1240104203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640381.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1240104203 is about 35215.1132754106. The cubic root of 1240104203 is about 1074.3671640024.

Adding to 1240104203 its reverse (3024010421), we get a palindrome (4264114624).

The spelling of 1240104203 in words is "one billion, two hundred forty million, one hundred four thousand, two hundred three".

Divisors: 1 13 149 1937 640219 8322847 95392631 1240104203