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212003313412 = 221147187754617
BaseRepresentation
bin1100010101110001100…
…0011101011100000100
3202021012212122011222211
43011130120131130010
511433140322012122
6241220514433204
721213432300562
oct3053430353404
9667185564884
10212003313412
1181a01386230
1235107592804
1316cb8073ba7
14a392322a32
1557ac14b877
hex315c61d704

212003313412 has 48 divisors (see below), whose sum is σ = 413572739328. Its totient is φ = 94262846720.

The previous prime is 212003313409. The next prime is 212003313427. The reversal of 212003313412 is 214313300212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3854328 + ... + 3908944.

It is an arithmetic number, because the mean of its divisors is an integer number (8616098736).

Almost surely, 2212003313412 is an apocalyptic number.

212003313412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212003313412 is a deficient number, since it is larger than the sum of its proper divisors (201569425916).

212003313412 is a wasteful number, since it uses less digits than its factorization.

212003313412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56556 (or 56554 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212003313412 its reverse (214313300212), we get a palindrome (426316613624).

The spelling of 212003313412 in words is "two hundred twelve billion, three million, three hundred thirteen thousand, four hundred twelve".

Divisors: 1 2 4 11 22 44 47 94 188 517 1034 1877 2068 3754 7508 20647 41294 54617 82588 88219 109234 176438 218468 352876 600787 970409 1201574 1940818 2403148 2566999 3881636 5133998 10267996 28236989 56473978 102516109 112947956 205032218 410064436 1127677199 2255354398 4510708796 4818257123 9636514246 19273028492 53000828353 106001656706 212003313412