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1200033230213 = 6421186891953
BaseRepresentation
bin10001011101100111100…
…011011110110110000101
311020201111101020101021002
4101131213203132312011
5124130132001331323
62315142044503045
7152461641104066
oct21354743366605
94221441211232
101200033230213
11422a27523484
121746a884aa85
138921645105c
1442120ad856d
1521337aa1828
hex117678ded85

1200033230213 has 4 divisors (see below), whose sum is σ = 1200220128588. Its totient is φ = 1199846331840.

The previous prime is 1200033230189. The next prime is 1200033230233. The reversal of 1200033230213 is 3120323300021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 546131346049 + 653901884164 = 739007^2 + 808642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200033230213 - 28 = 1200033229957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200033230233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93439556 + ... + 93452397.

It is an arithmetic number, because the mean of its divisors is an integer number (300055032147).

Almost surely, 21200033230213 is an apocalyptic number.

It is an amenable number.

1200033230213 is a deficient number, since it is larger than the sum of its proper divisors (186898375).

1200033230213 is an equidigital number, since it uses as much as digits as its factorization.

1200033230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186898374.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1200033230213 its reverse (3120323300021), we get a palindrome (4320356530234).

The spelling of 1200033230213 in words is "one trillion, two hundred billion, thirty-three million, two hundred thirty thousand, two hundred thirteen".

Divisors: 1 6421 186891953 1200033230213