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203262631212 = 223831031981349
BaseRepresentation
bin1011110101001101100…
…1011001110100101100
3201102122201111112010110
42331103121121310230
511312240213144322
6233213315340020
720454015600234
oct2752331316454
9642581445113
10203262631212
1179226502333
12334882b1610
13162242494a4
149ba3530cc4
155449ae4c0c
hex2f53659d2c

203262631212 has 48 divisors (see below), whose sum is σ = 484654060800. Its totient is φ = 66287978688.

The previous prime is 203262631133. The next prime is 203262631241. The reversal of 203262631212 is 212136262302.

It is a self number, because there is not a number n which added to its sum of digits gives 203262631212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888087 + ... + 1093262.

It is an arithmetic number, because the mean of its divisors is an integer number (10096959600).

Almost surely, 2203262631212 is an apocalyptic number.

It is an amenable number.

203262631212 is an abundant number, since it is smaller than the sum of its proper divisors (281391429588).

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

203262631212 is a wasteful number, since it uses less digits than its factorization.

203262631212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981542 (or 1981540 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 203262631212 its reverse (212136262302), we get a palindrome (415398893514).

The spelling of 203262631212 in words is "two hundred three billion, two hundred sixty-two million, six hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 83 103 166 206 249 309 332 412 498 618 996 1236 8549 17098 25647 34196 51294 102588 1981349 3962698 5944047 7925396 11888094 23776188 164451967 204078947 328903934 408157894 493355901 612236841 657807868 816315788 986711802 1224473682 1973423604 2448947364 16938552601 33877105202 50815657803 67754210404 101631315606 203262631212