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202143012302 = 27211257729637
BaseRepresentation
bin1011110001000010101…
…0011001010111001110
3201022202200201222201102
42330100222121113032
511302442102343202
6232510242143102
720414202153200
oct2742052312716
9638680658642
10202143012302
1178801508050
1233215351a92
13160a62b99aa
149ad8966770
1553d1685d02
hex2f10a995ce

202143012302 has 48 divisors (see below), whose sum is σ = 386282031408. Its totient is φ = 78450462720.

The previous prime is 202143012299. The next prime is 202143012307. The reversal of 202143012302 is 203210341202.

202143012302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202143012307) 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 23 ways as a sum of consecutive naturals, for example, 87773 + ... + 641864.

It is an arithmetic number, because the mean of its divisors is an integer number (8047542321).

Almost surely, 2202143012302 is an apocalyptic number.

202143012302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202143012302 is a deficient number, since it is larger than the sum of its proper divisors (184139019106).

202143012302 is a wasteful number, since it uses less digits than its factorization.

202143012302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729921 (or 729914 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202143012302 its reverse (203210341202), we get a palindrome (405353353504).

Subtracting 202143012302 from its reverse (203210341202), we obtain a square (1067328900 = 326702).

The spelling of 202143012302 in words is "two hundred two billion, one hundred forty-three million, twelve thousand, three hundred two".

Divisors: 1 2 7 11 14 22 49 77 98 154 257 514 539 1078 1799 2827 3598 5654 12593 19789 25186 39578 138523 277046 729637 1459274 5107459 8026007 10214918 16052014 35752213 56182049 71504426 112364098 187516709 375033418 393274343 786548686 1312616963 2062683799 2625233926 4125367598 9188318741 14438786593 18376637482 28877573186 101071506151 202143012302