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300123032003213 = 17197154937578401
BaseRepresentation
bin100010000111101011101011…
…0101101100010001010001101
31110100122111000010100220211212
41010033113112231202022031
5303314203432143100323
62542150341215024205
7120134113341316016
oct10417272655421215
91410574003326755
10300123032003213
11876a0510413521
12297b1a3020b065
13cb606327ca413
14541806471600d
1524a6d4eacab78
hex110f5d6b6228d

300123032003213 has 16 divisors (see below), whose sum is σ = 319393024506864. Its totient is φ = 281032584806400.

The previous prime is 300123032003191. The next prime is 300123032003261. The reversal of 300123032003213 is 312300230321003.

It can be written as a sum of positive squares in 8 ways, for example, as 42956842897609 + 257166189105604 = 6554147^2 + 16036402^2 .

It is a cyclic number.

It is not a de Polignac number, because 300123032003213 - 234 = 300105852134029 is a prime.

It is a super-2 number, since 2×3001230320032132 (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300123032000213) 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, 518594813 + ... + 519173213.

It is an arithmetic number, because the mean of its divisors is an integer number (19962064031679).

Almost surely, 2300123032003213 is an apocalyptic number.

It is an amenable number.

300123032003213 is a deficient number, since it is larger than the sum of its proper divisors (19269992503651).

300123032003213 is a wasteful number, since it uses less digits than its factorization.

300123032003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733552.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 300123032003213 its reverse (312300230321003), we get a palindrome (612423262324216).

The spelling of 300123032003213 in words is "three hundred trillion, one hundred twenty-three billion, thirty-two million, three thousand, two hundred thirteen".

Divisors: 1 17 197 3349 154937 578401 2633929 9832817 30522589 113944997 518884013 1937064949 89615715737 1523467167529 17654296000189 300123032003213