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200123230013 = 728589032859
BaseRepresentation
bin1011101001100001000…
…1100010011100111101
3201010112221011102021222
42322120101202130331
511234323021330023
6231534011203125
720313145250120
oct2723021423475
9633487142258
10200123230013
1177965389793
1232950a464a5
1315b43a07345
1499865dc3b7
1553141b6cc8
hex2e9846273d

200123230013 has 4 divisors (see below), whose sum is σ = 228712262880. Its totient is φ = 171534197148.

The previous prime is 200123229991. The next prime is 200123230057. The reversal of 200123230013 is 310032321002.

200123230013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200123230013 - 214 = 200123213629 is a prime.

It is a super-2 number, since 2×2001232300132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200123229973 and 200123230000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200123230513) 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, 14294516423 + ... + 14294516436.

It is an arithmetic number, because the mean of its divisors is an integer number (57178065720).

Almost surely, 2200123230013 is an apocalyptic number.

It is an amenable number.

200123230013 is a deficient number, since it is larger than the sum of its proper divisors (28589032867).

200123230013 is an equidigital number, since it uses as much as digits as its factorization.

200123230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28589032866.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 200123230013 its reverse (310032321002), we get a palindrome (510155551015).

The spelling of 200123230013 in words is "two hundred billion, one hundred twenty-three million, two hundred thirty thousand, thirteen".

Divisors: 1 7 28589032859 200123230013