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200992811 = 1910578569
BaseRepresentation
bin10111111101011…
…10100000101011
3112000012111022012
423332232200223
5402423232221
631535550135
74660260605
oct1376564053
9460174265
10200992811
11a3500968
125738b34b
1332844176
141c9a0175
15129a365b
hexbfae82b

200992811 has 4 divisors (see below), whose sum is σ = 211571400. Its totient is φ = 190414224.

The previous prime is 200992787. The next prime is 200992859. The reversal of 200992811 is 118299002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 200992811 - 218 = 200730667 is a prime.

It is a super-2 number, since 2×2009928112 = 80796220147363442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200932811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5289266 + ... + 5289303.

It is an arithmetic number, because the mean of its divisors is an integer number (52892850).

Almost surely, 2200992811 is an apocalyptic number.

200992811 is a deficient number, since it is larger than the sum of its proper divisors (10578589).

200992811 is a wasteful number, since it uses less digits than its factorization.

200992811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10578588.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 200992811 is about 14177.1933400092. The cubic root of 200992811 is about 585.7696165201.

The spelling of 200992811 in words is "two hundred million, nine hundred ninety-two thousand, eight hundred eleven".

Divisors: 1 19 10578569 200992811