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203302123033231 = 661727823514051
BaseRepresentation
bin101110001110011011110110…
…110100110101001010001111
3222122211111022111200121212001
4232032123312310311022033
5203121400221444030411
62000215412254053131
760552044063062435
oct5616336664651217
9878744274617761
10203302123033231
1159861a45416642
121a9753917aa1a7
138959400711461
14382bc379c2d55
15187854c558dc1
hexb8e6f6d3528f

203302123033231 has 16 divisors (see below), whose sum is σ = 204137895689728. Its totient is φ = 202468626756000.

The previous prime is 203302123033147. The next prime is 203302123033253. The reversal of 203302123033231 is 132330321203302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203302123033231 is a prime.

It is a super-2 number, since 2×2033021230332312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203302123033231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203302123133231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395233156 + ... + 395747206.

It is an arithmetic number, because the mean of its divisors is an integer number (12758618480608).

Almost surely, 2203302123033231 is an apocalyptic number.

203302123033231 is a deficient number, since it is larger than the sum of its proper divisors (835772656497).

203302123033231 is an equidigital number, since it uses as much as digits as its factorization.

203302123033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516262.

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

Adding to 203302123033231 its reverse (132330321203302), we get a palindrome (335632444236533).

The spelling of 203302123033231 in words is "two hundred three trillion, three hundred two billion, one hundred twenty-three million, thirty-three thousand, two hundred thirty-one".

Divisors: 1 661 727 823 480547 514051 544003 598321 339787711 373715077 395490181 423063973 247025665897 279645286153 307567508371 203302123033231