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200120011 = 7132199121
BaseRepresentation
bin10111110110110…
…01011011001011
3111221120011001021
423323121123023
5402212320021
631505133311
74646664160
oct1373313313
9457504037
10200120011
11a2a65143
125702a237
13325c9b10
141c814067
151287ec41
hexbed96cb

200120011 has 8 divisors (see below), whose sum is σ = 246301664. Its totient is φ = 158336640.

The previous prime is 200119901. The next prime is 200120017. The reversal of 200120011 is 110021002.

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

It is not a de Polignac number, because 200120011 - 221 = 198022859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 200119976 and 200120003.

It is not an unprimeable number, because it can be changed into a prime (200120017) 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, 1099470 + ... + 1099651.

It is an arithmetic number, because the mean of its divisors is an integer number (30787708).

Almost surely, 2200120011 is an apocalyptic number.

200120011 is a deficient number, since it is larger than the sum of its proper divisors (46181653).

200120011 is a wasteful number, since it uses less digits than its factorization.

200120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199141.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 200120011 is about 14146.3780170049. The cubic root of 200120011 is about 584.9204956849.

Adding to 200120011 its reverse (110021002), we get a palindrome (310141013).

Subtracting from 200120011 its reverse (110021002), we obtain a palindrome (90099009).

The spelling of 200120011 in words is "two hundred million, one hundred twenty thousand, eleven".

Divisors: 1 7 13 91 2199121 15393847 28588573 200120011