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20410516353125 = 5513074997219
BaseRepresentation
bin1001010010000001100011…
…00100111011000001100101
32200021020002222101222002202
410221000301210323001211
510133401214141300000
6111224243424144245
74204416423321353
oct451006144730145
980236088358082
1020410516353125
11655a062420168
122357840768085
13b5091b59bb22
14507c34d947d3
15255dceb35dd5
hex12903193b065

20410516353125 has 24 divisors (see below), whose sum is σ = 25531036846560. Its totient is φ = 16315916770000.

The previous prime is 20410516353077. The next prime is 20410516353127. The reversal of 20410516353125 is 52135361501402.

It is not a de Polignac number, because 20410516353125 - 222 = 20410512158821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410516353127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1585766 + ... + 6582984.

It is an arithmetic number, because the mean of its divisors is an integer number (1063793201940).

Almost surely, 220410516353125 is an apocalyptic number.

20410516353125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20410516353125 is a deficient number, since it is larger than the sum of its proper divisors (5120520493435).

20410516353125 is an frugal number, since it uses more digits than its factorization.

20410516353125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998551 (or 4998531 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 20410516353125 its reverse (52135361501402), we get a palindrome (72545877854527).

The spelling of 20410516353125 in words is "twenty trillion, four hundred ten billion, five hundred sixteen million, three hundred fifty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 1307 3125 6535 32675 163375 816875 4084375 4997219 24986095 124930475 624652375 3123261875 6531365233 15616309375 32656826165 163284130825 816420654125 4082103270625 20410516353125