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206152630523325 = 3352535762477443
BaseRepresentation
bin101110110111111010100110…
…010011111101010110111101
31000000220222222021102112222000
4232313322212103331112331
5204010101041403221300
62010241113330212513
761265015236006323
oct5667724623752675
91000828867375860
10206152630523325
115a7609265a6a72
121b155916a24139
138b05156b6a2b5
1438c9baa6add13
1518c7782a15c00
hexbb7ea64fd5bd

206152630523325 has 48 divisors (see below), whose sum is σ = 385855489650240. Its totient is φ = 107873577714240.

The previous prime is 206152630523303. The next prime is 206152630523393. The reversal of 206152630523325 is 523325036251602.

206152630523325 is a `hidden beast` number, since 2 + 0 + 6 + 1 + 5 + 2 + 6 + 305 + 2 + 332 + 5 = 666.

It is not a de Polignac number, because 206152630523325 - 25 = 206152630523293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2881202947 + ... + 2881274496.

It is an arithmetic number, because the mean of its divisors is an integer number (8038656034380).

Almost surely, 2206152630523325 is an apocalyptic number.

206152630523325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206152630523325 is a deficient number, since it is larger than the sum of its proper divisors (179702859126915).

206152630523325 is a wasteful number, since it uses less digits than its factorization.

206152630523325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762477515 (or 5762477504 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 45.

Adding to 206152630523325 its reverse (523325036251602), we get a palindrome (729477666774927).

The spelling of 206152630523325 in words is "two hundred six trillion, one hundred fifty-two billion, six hundred thirty million, five hundred twenty-three thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 53 75 135 159 225 265 477 675 795 1325 1431 2385 3975 7155 11925 35775 5762477443 17287432329 28812387215 51862296987 86437161645 144061936075 155586890961 259311484935 305411304479 432185808225 777934454805 916233913437 1296557424675 1527056522395 2748701740311 3889672274025 4581169567185 7635282611975 8246105220933 13743508701555 22905847835925 41230526104665 68717543507775 206152630523325