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10206412663525 = 52131097160117881
BaseRepresentation
bin1001010010000101110110…
…0110011110101011100101
31100010201112110001222221021
42110201131212132223211
52314210213120213100
633412432232451141
72102250264133321
oct224413546365345
940121473058837
1010206412663525
113285573960241
12118a0a2b49ab1
135905cab99a50
14273dc8b5c981
1512a75b365a1a
hex9485d99eae5

10206412663525 has 48 divisors (see below), whose sum is σ = 13651195048848. Its totient is φ = 7525048320000.

The previous prime is 10206412663451. The next prime is 10206412663529. The reversal of 10206412663525 is 52536621460201.

It can be written as a sum of positive squares in 24 ways, for example, as 6564658741281 + 3641753922244 = 2562159^2 + 1908338^2 .

It is not a de Polignac number, because 10206412663525 - 223 = 10206404274917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206412663529) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 570787585 + ... + 570805465.

It is an arithmetic number, because the mean of its divisors is an integer number (284399896851).

Almost surely, 210206412663525 is an apocalyptic number.

It is an amenable number.

10206412663525 is a deficient number, since it is larger than the sum of its proper divisors (3444782385323).

10206412663525 is a wasteful number, since it uses less digits than its factorization.

10206412663525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20602 (or 20597 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 10206412663525 in words is "ten trillion, two hundred six billion, four hundred twelve million, six hundred sixty-three thousand, five hundred twenty-five".

Divisors: 1 5 13 25 65 325 1097 1601 5485 8005 14261 17881 20813 27425 40025 71305 89405 104065 232453 356525 447025 520325 1162265 1756297 5811325 8781485 19615457 22831861 28627481 43907425 98077285 114159305 143137405 255000941 372157253 490386425 570796525 715687025 1275004705 1860786265 6375023525 9303931325 31404346657 157021733285 408256506541 785108666425 2041282532705 10206412663525