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1312000202223 = 321032354960101
BaseRepresentation
bin10011000101111001010…
…011100101010111101111
311122102111112211212222100
4103011321103211113233
5132443434022432343
62442420301350143
7163534405466604
oct23057123452757
94572445755870
101312000202223
11466463a01797
12192336268353
139694b300009
144770321a6ab
15241dc6d59d3
hex131794e55ef

1312000202223 has 24 divisors (see below), whose sum is σ = 1913623639200. Its totient is φ = 866123697600.

The previous prime is 1312000202203. The next prime is 1312000202297. The reversal of 1312000202223 is 3222020002131.

It is not a de Polignac number, because 1312000202223 - 26 = 1312000202159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312000202196 and 1312000202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312000202203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21799873 + ... + 21859973.

It is an arithmetic number, because the mean of its divisors is an integer number (79734318300).

Almost surely, 21312000202223 is an apocalyptic number.

1312000202223 is a deficient number, since it is larger than the sum of its proper divisors (601623436977).

1312000202223 is a wasteful number, since it uses less digits than its factorization.

1312000202223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83759 (or 83756 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1312000202223 its reverse (3222020002131), we get a palindrome (4534020204354).

The spelling of 1312000202223 in words is "one trillion, three hundred twelve billion, two hundred two thousand, two hundred twenty-three".

Divisors: 1 3 9 103 309 927 23549 60101 70647 180303 211941 540909 2425547 6190403 7276641 18571209 21829923 55713627 1415318449 4245955347 12737866041 145777800247 437333400741 1312000202223