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201055663 = 1930613457
BaseRepresentation
bin10111111101111…
…01110110101111
3112000022200112001
423332331312233
5402432240123
631541153131
74660642054
oct1376756657
9460280461
10201055663
11a3544106
12573bb7a7
1332866963
141c9b902b
15129b70ad
hexbfbddaf

201055663 has 8 divisors (see below), whose sum is σ = 211767920. Its totient is φ = 190356480.

The previous prime is 201055633. The next prime is 201055667. The reversal of 201055663 is 366550102.

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 201055663 - 213 = 201047471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201055667) 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, 56431 + ... + 59887.

It is an arithmetic number, because the mean of its divisors is an integer number (26470990).

Almost surely, 2201055663 is an apocalyptic number.

201055663 is a deficient number, since it is larger than the sum of its proper divisors (10712257).

201055663 is a wasteful number, since it uses less digits than its factorization.

201055663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 201055663 is about 14179.4098255181. The cubic root of 201055663 is about 585.8306683803.

The spelling of 201055663 in words is "two hundred one million, fifty-five thousand, six hundred sixty-three".

Divisors: 1 19 3061 3457 58159 65683 10581877 201055663