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1220332342330 = 25313936555943
BaseRepresentation
bin10001110000100001011…
…110011100110000111010
311022122220001121010012101
4101300201132130300322
5124443220034423310
62332340221134014
7154110654522013
oct21604136346072
94278801533171
101220332342330
114305a387a8a2
121786129ba30a
138b0ccaa55ba
14430c8a0200a
1521b24c0343a
hex11c2179cc3a

1220332342330 has 16 divisors (see below), whose sum is σ = 2267456223744. Its totient is φ = 472386713040.

The previous prime is 1220332342303. The next prime is 1220332342331. The reversal of 1220332342330 is 332432330221.

It is a super-2 number, since 2×12203323423302 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220332342331) 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 7 ways as a sum of consecutive naturals, for example, 1968277662 + ... + 1968278281.

It is an arithmetic number, because the mean of its divisors is an integer number (141716013984).

Almost surely, 21220332342330 is an apocalyptic number.

1220332342330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220332342330 is a deficient number, since it is larger than the sum of its proper divisors (1047123881414).

1220332342330 is a wasteful number, since it uses less digits than its factorization.

1220332342330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936555981.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 1220332342330 its reverse (332432330221), we get a palindrome (1552764672551).

The spelling of 1220332342330 in words is "one trillion, two hundred twenty billion, three hundred thirty-two million, three hundred forty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 3936555943 7873111886 19682779715 39365559430 122033234233 244066468466 610166171165 1220332342330