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20368352185052 = 22107254318713963
BaseRepresentation
bin1001010000110011000000…
…11001011000101011011100
32200010012021111002022010012
410220121200121120223130
510132203341124410202
6111153031455502352
74201364516646554
oct450314031305334
980105244068105
1020368352185052
116543195896673
12234b633b279b8
13b4995c052551
14505b951d6164
15254c6315e152
hex128660658adc

20368352185052 has 24 divisors (see below), whose sum is σ = 35991893258496. Its totient is φ = 10085028977648.

The previous prime is 20368352184977. The next prime is 20368352185061. The reversal of 20368352185052 is 25058125386302.

It is a super-5 number, since 5×203683521850525 (a number of 68 digits) contains 55555 as substring.

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, 8268578 + ... + 10445385.

It is an arithmetic number, because the mean of its divisors is an integer number (1499662219104).

Almost surely, 220368352185052 is an apocalyptic number.

It is an amenable number.

20368352185052 is a deficient number, since it is larger than the sum of its proper divisors (15623541073444).

20368352185052 is a wasteful number, since it uses less digits than its factorization.

20368352185052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18716617 (or 18716615 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 20368352185052 in words is "twenty trillion, three hundred sixty-eight billion, three hundred fifty-two million, one hundred eighty-five thousand, fifty-two".

Divisors: 1 2 4 107 214 428 2543 5086 10172 272101 544202 1088404 18713963 37427926 74855852 2002394041 4004788082 8009576164 47589607909 95179215818 190358431636 5092088046263 10184176092526 20368352185052