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1220303224142 = 24739893254437
BaseRepresentation
bin10001110000011111101…
…111010111110101001110
311022122211000210202112222
4101300133233113311032
5124443140111133032
62332333301055342
7154110152155232
oct21603757276516
94278730722488
101220303224142
114305893a1982
121786050b7552
138b0c6a4bac2
14430c4bc25c2
1521b223a0a12
hex11c1fbd7d4e

1220303224142 has 16 divisors (see below), whose sum is σ = 1869869897280. Its totient is φ = 597019775328.

The previous prime is 1220303224067. The next prime is 1220303224171. The reversal of 1220303224142 is 2414223030221.

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, 1252253 + ... + 2002184.

It is an arithmetic number, because the mean of its divisors is an integer number (116866868580).

Almost surely, 21220303224142 is an apocalyptic number.

1220303224142 is a deficient number, since it is larger than the sum of its proper divisors (649566673138).

1220303224142 is a wasteful number, since it uses less digits than its factorization.

1220303224142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258475.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1220303224142 its reverse (2414223030221), we get a palindrome (3634526254363).

The spelling of 1220303224142 in words is "one trillion, two hundred twenty billion, three hundred three million, two hundred twenty-four thousand, one hundred forty-two".

Divisors: 1 2 47 94 3989 7978 187483 374966 3254437 6508874 152958539 305917078 12981949193 25963898386 610151612071 1220303224142