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1242243221002 = 27192927617297
BaseRepresentation
bin10010000100111011011…
…101110100011000001010
311101202110001210002012021
4102010323131310120022
5130323103231033002
62350402331235054
7155514642104530
oct22047335643012
94352401702167
101242243221002
11439917a05293
121809088a8a8a
13901b2322574
14441a69c4150
15224a85ca737
hex1213b77460a

1242243221002 has 96 divisors (see below), whose sum is σ = 2324974654080. Its totient is φ = 486270812160.

The previous prime is 1242243220997. The next prime is 1242243221041. The reversal of 1242243221002 is 2001223422421.

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 47 ways as a sum of consecutive naturals, for example, 170236618 + ... + 170243914.

It is an arithmetic number, because the mean of its divisors is an integer number (24218485980).

Almost surely, 21242243221002 is an apocalyptic number.

1242243221002 is a deficient number, since it is larger than the sum of its proper divisors (1082731433078).

1242243221002 is a wasteful number, since it uses less digits than its factorization.

1242243221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8144 (or 8115 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1242243221002 its reverse (2001223422421), we get a palindrome (3243466643423).

The spelling of 1242243221002 in words is "one trillion, two hundred forty-two billion, two hundred forty-three million, two hundred twenty-one thousand, two".

Divisors: 1 2 7 14 19 29 38 58 133 203 266 406 551 761 841 1102 1522 1682 3857 5327 5887 7297 7714 10654 11774 14459 14594 15979 22069 28918 31958 44138 51079 101213 102158 111853 138643 154483 202426 211613 223706 277286 308966 419311 423226 640001 838622 970501 1280002 1481291 1941002 2935177 2962582 4020647 4480007 5553017 5870354 6136777 8041294 8960014 11106034 12160019 12273554 24320038 28144529 38871119 42957439 56289058 77742238 85120133 85914878 105507323 116598763 161037493 170240266 211014646 233197526 322074986 738551261 816191341 1127262451 1477102522 1632382682 2254524902 3059712367 4670087297 6119424734 9340174594 21417986569 32690611079 42835973138 65381222158 88731658643 177463317286 621121610501 1242243221002