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202422323140 = 22561165919937
BaseRepresentation
bin1011110010000101001…
…1111000011111000100
3201100111011022110011021
42330201103320133010
511304030103320030
6232554100520524
720424133233412
oct2744123703704
9640434273137
10202422323140
1178935140454
12332929b0144
131611c12278b
149b23ab22b2
1553eae5997a
hex2f214f87c4

202422323140 has 24 divisors (see below), whose sum is σ = 432055518552. Its totient is φ = 79641569280.

The previous prime is 202422323123. The next prime is 202422323167. The reversal of 202422323140 is 41323224202.

202422323140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4945183684 + 197477139456 = 70322^2 + 444384^2 .

It is an unprimeable number.

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, 82958749 + ... + 82961188.

It is an arithmetic number, because the mean of its divisors is an integer number (18002313273).

Almost surely, 2202422323140 is an apocalyptic number.

202422323140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202422323140 is an abundant number, since it is smaller than the sum of its proper divisors (229633195412).

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

202422323140 is a wasteful number, since it uses less digits than its factorization.

202422323140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165920007 (or 165920005 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 202422323140 its reverse (41323224202), we get a palindrome (243745547342).

The spelling of 202422323140 in words is "two hundred two billion, four hundred twenty-two million, three hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 165919937 331839874 663679748 829599685 1659199370 3318398740 10121116157 20242232314 40484464628 50605580785 101211161570 202422323140