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1200002203231 = 13238338735989
BaseRepresentation
bin10001011101100101101…
…101000111111001011111
311020201102012212001020121
4101131211231013321133
5124130101031000411
62315135015455411
7152461113300316
oct21354555077137
94221365761217
101200002203231
11422a10a61447
1217469a387567
138920cba97b0
144211a93d27d
1521334ec3571
hex11765b47e5f

1200002203231 has 8 divisors (see below), whose sum is σ = 1292852402240. Its totient is φ = 1107229480992.

The previous prime is 1200002203229. The next prime is 1200002203313. The reversal of 1200002203231 is 1323022000021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200002203231 - 21 = 1200002203229 is a prime.

It is a super-2 number, since 2×12000022032312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200002263231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19337016 + ... + 19398973.

It is an arithmetic number, because the mean of its divisors is an integer number (161606550280).

Almost surely, 21200002203231 is an apocalyptic number.

1200002203231 is a deficient number, since it is larger than the sum of its proper divisors (92850199009).

1200002203231 is a wasteful number, since it uses less digits than its factorization.

1200002203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38738385.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1200002203231 its reverse (1323022000021), we get a palindrome (2523024203252).

The spelling of 1200002203231 in words is "one trillion, two hundred billion, two million, two hundred three thousand, two hundred thirty-one".

Divisors: 1 13 2383 30979 38735989 503567857 92307861787 1200002203231