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12401021303 = 112238276113
BaseRepresentation
bin10111000110010100…
…01001000101110111
31012000020201011011022
423203022021011313
5200344130140203
65410312531355
7616210641026
oct134312110567
935006634138
1012401021303
115294064940
1224a10b0b5b
131228272c38
14858daa8bd
154c8a86a38
hex2e3289177

12401021303 has 16 divisors (see below), whose sum is σ = 13607709696. Its totient is φ = 11207696640.

The previous prime is 12401021273. The next prime is 12401021323. The reversal of 12401021303 is 30312010421.

12401021303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12401021303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401021323) 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 15 ways as a sum of consecutive naturals, for example, 2025575 + ... + 2031687.

It is an arithmetic number, because the mean of its divisors is an integer number (850481856).

Almost surely, 212401021303 is an apocalyptic number.

12401021303 is a deficient number, since it is larger than the sum of its proper divisors (1206688393).

12401021303 is a wasteful number, since it uses less digits than its factorization.

12401021303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12401021303 its reverse (30312010421), we get a palindrome (42713031724).

The spelling of 12401021303 in words is "twelve billion, four hundred one million, twenty-one thousand, three hundred three".

Divisors: 1 11 223 827 2453 6113 9097 67243 184421 1363199 2028631 5055451 14995189 55609961 1127365573 12401021303