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12203233233031 = 92560713184033
BaseRepresentation
bin1011000110010100100101…
…1000011100100010000111
31121012121200022021001012101
42301211021120130202013
53044414210201424111
641542030555332531
72366440332001621
oct261451130344207
947177608231171
1012203233233031
1139853a9027915
12145109a151147
136a69b5814ca9
143028d5259c11
1516267a159bc1
hexb194961c887

12203233233031 has 4 divisors (see below), whose sum is σ = 12203247342672. Its totient is φ = 12203219123392.

The previous prime is 12203233232887. The next prime is 12203233233067. The reversal of 12203233233031 is 13033233230221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12203233233031 - 211 = 12203233230983 is a prime.

It is a super-2 number, since 2×122032332330312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203233233431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5666410 + ... + 7517623.

It is an arithmetic number, because the mean of its divisors is an integer number (3050811835668).

Almost surely, 212203233233031 is an apocalyptic number.

12203233233031 is a deficient number, since it is larger than the sum of its proper divisors (14109641).

12203233233031 is an equidigital number, since it uses as much as digits as its factorization.

12203233233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14109640.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 12203233233031 its reverse (13033233230221), we get a palindrome (25236466463252).

The spelling of 12203233233031 in words is "twelve trillion, two hundred three billion, two hundred thirty-three million, two hundred thirty-three thousand, thirty-one".

Divisors: 1 925607 13184033 12203233233031