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1213031223003 = 32130291898069
BaseRepresentation
bin10001101001101110010…
…010111000111011011011
311021222001020020211100110
4101221232102320323123
5124333241443114003
62325131524535403
7153432021161565
oct21515622707333
94258036224313
101213031223003
11428497557886
12177115851563
138a50829c252
14429d50a0335
1521848c58a03
hex11a6e4b8edb

1213031223003 has 8 divisors (see below), whose sum is σ = 1617383408400. Its totient is φ = 808683259808.

The previous prime is 1213031222993. The next prime is 1213031223007. The reversal of 1213031223003 is 3003221303121.

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 1213031223003 - 25 = 1213031222971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213031223007) 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 7 ways as a sum of consecutive naturals, for example, 309948 + ... + 1588121.

It is an arithmetic number, because the mean of its divisors is an integer number (202172926050).

Almost surely, 21213031223003 is an apocalyptic number.

1213031223003 is a deficient number, since it is larger than the sum of its proper divisors (404352185397).

1213031223003 is a wasteful number, since it uses less digits than its factorization.

1213031223003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111101.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1213031223003 its reverse (3003221303121), we get a palindrome (4216252526124).

The spelling of 1213031223003 in words is "one trillion, two hundred thirteen billion, thirty-one million, two hundred twenty-three thousand, three".

Divisors: 1 3 213029 639087 1898069 5694207 404343741001 1213031223003