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202430923732 = 22176737441877
BaseRepresentation
bin1011110010000111010…
…0101100001111010100
3201100111202111101221201
42330201310230033110
511304034304024412
6232555005122244
720424266314132
oct2744164541724
9640452441851
10202430923732
1178939a85184
1233295859384
1316120b4439b
149b24cb0752
1553ebaa7e57
hex2f21d2c3d4

202430923732 has 24 divisors (see below), whose sum is σ = 375149119464. Its totient is φ = 95247255552.

The previous prime is 202430923697. The next prime is 202430923789. The reversal of 202430923732 is 237329034202.

202430923732 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 95780346256 + 106650577476 = 309484^2 + 326574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202430923691 and 202430923700.

It is a congruent number.

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, 237178 + ... + 679054.

It is an arithmetic number, because the mean of its divisors is an integer number (15631213311).

Almost surely, 2202430923732 is an apocalyptic number.

It is an amenable number.

202430923732 is a deficient number, since it is larger than the sum of its proper divisors (172718195732).

202430923732 is a wasteful number, since it uses less digits than its factorization.

202430923732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448635 (or 448633 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 37.

Adding to 202430923732 its reverse (237329034202), we get a palindrome (439759957934).

The spelling of 202430923732 in words is "two hundred two billion, four hundred thirty million, nine hundred twenty-three thousand, seven hundred thirty-two".

Divisors: 1 2 4 17 34 68 6737 13474 26948 114529 229058 441877 458116 883754 1767508 7511909 15023818 30047636 2976925349 5953850698 11907701396 50607730933 101215461866 202430923732