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20295419528686 = 2192981917911063
BaseRepresentation
bin1001001110101011001010…
…10001011000010111101110
32122212020000200102111000011
410213111211101120113232
510130010004344404221
6111055330443523434
74163203262415421
oct447254521302756
978766020374004
1020295419528686
11651526a250455
12233947ab2957a
13b42b08172093
14502436d079b8
15252de535d1e1
hex1275654585ee

20295419528686 has 16 divisors (see below), whose sum is σ = 32046475708800. Its totient is φ = 9613296840888.

The previous prime is 20295419528663. The next prime is 20295419528711. The reversal of 20295419528686 is 68682591459202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7822410 + ... + 10088653.

It is an arithmetic number, because the mean of its divisors is an integer number (2002904731800).

Almost surely, 220295419528686 is an apocalyptic number.

20295419528686 is a deficient number, since it is larger than the sum of its proper divisors (11751056180114).

20295419528686 is a wasteful number, since it uses less digits than its factorization.

20295419528686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17940903.

The product of its (nonzero) digits is 149299200, while the sum is 67.

The spelling of 20295419528686 in words is "twenty trillion, two hundred ninety-five billion, four hundred nineteen million, five hundred twenty-eight thousand, six hundred eighty-six".

Divisors: 1 2 19 38 29819 59638 566561 1133122 17911063 35822126 340310197 680620394 534089987597 1068179975194 10147709764343 20295419528686