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216150663 = 372050221
BaseRepresentation
bin11001110001000…
…11001010000111
3120001201120222010
430320203022013
5420313310123
633240505303
75233151601
oct1470431207
9501646863
10216150663
11101014213
126047b233
1335a20601
14209c8171
1513e99993
hexce23287

216150663 has 4 divisors (see below), whose sum is σ = 288200888. Its totient is φ = 144100440.

The previous prime is 216150661. The next prime is 216150667. The reversal of 216150663 is 366051612.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 216150663 - 21 = 216150661 is a prime.

It is a super-2 number, since 2×2161506632 = 93442218230679138, which contains 22 as substring.

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 216150663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216150661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36025108 + ... + 36025113.

It is an arithmetic number, because the mean of its divisors is an integer number (72050222).

Almost surely, 2216150663 is an apocalyptic number.

216150663 is a deficient number, since it is larger than the sum of its proper divisors (72050225).

216150663 is an equidigital number, since it uses as much as digits as its factorization.

216150663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72050224.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 216150663 is about 14702.0632225549. The cubic root of 216150663 is about 600.1394703553.

The spelling of 216150663 in words is "two hundred sixteen million, one hundred fifty thousand, six hundred sixty-three".

Divisors: 1 3 72050221 216150663