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159811201 = 1116139007
BaseRepresentation
bin10011000011010…
…00011010000001
3102010201020202101
421201220122001
5311402424301
623505150401
73650241604
oct1141503201
9363636671
10159811201
1182233580
124562b401
1327155854
141732033b
15e06b701
hex9868681

159811201 has 8 divisors (see below), whose sum is σ = 174466944. Its totient is φ = 145176720.

The previous prime is 159811193. The next prime is 159811217. The reversal of 159811201 is 102118951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 159811201 - 23 = 159811193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159811201.

It is not an unprimeable number, because it can be changed into a prime (159811601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13240 + ... + 22246.

It is an arithmetic number, because the mean of its divisors is an integer number (21808368).

Almost surely, 2159811201 is an apocalyptic number.

159811201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

159811201 is a deficient number, since it is larger than the sum of its proper divisors (14655743).

159811201 is a wasteful number, since it uses less digits than its factorization.

159811201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10631.

The product of its (nonzero) digits is 720, while the sum is 28.

The square root of 159811201 is about 12641.6455020697. The cubic root of 159811201 is about 542.6699062198.

The spelling of 159811201 in words is "one hundred fifty-nine million, eight hundred eleven thousand, two hundred one".

Divisors: 1 11 1613 9007 17743 99077 14528291 159811201