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1213303221030 = 23540443440701
BaseRepresentation
bin10001101001111110100…
…000011110101100100110
311021222202012001202111110
4101221332200132230212
5124334321111033110
62325214522445450
7153441533134005
oct21517640365446
94258665052443
101213303221030
11428617045a3a
12177190963886
138a54c744624
1442a1d264c3c
1521862a85a20
hex11a7e81eb26

1213303221030 has 16 divisors (see below), whose sum is σ = 2911927730544. Its totient is φ = 323547525600.

The previous prime is 1213303220993. The next prime is 1213303221043. The reversal of 1213303221030 is 301223033121.

It is a junction number, because it is equal to n+sod(n) for n = 1213303220988 and 1213303221006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20221720321 + ... + 20221720380.

It is an arithmetic number, because the mean of its divisors is an integer number (181995483159).

Almost surely, 21213303221030 is an apocalyptic number.

1213303221030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213303221030 is an abundant number, since it is smaller than the sum of its proper divisors (1698624509514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213303221030 is a wasteful number, since it uses less digits than its factorization.

1213303221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40443440711.

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

Adding to 1213303221030 its reverse (301223033121), we get a palindrome (1514526254151).

The spelling of 1213303221030 in words is "one trillion, two hundred thirteen billion, three hundred three million, two hundred twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 40443440701 80886881402 121330322103 202217203505 242660644206 404434407010 606651610515 1213303221030