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200021200231 = 715127971081
BaseRepresentation
bin1011101001001000110…
…0010100110101100111
3201010021211011202202011
42322102030110311213
511234120411401411
6231515524255051
720310466102156
oct2722214246547
9633254152664
10200021200231
1177912831256
1232922841487
1315b288329a8
149976c3d59d
15530a260c21
hex2e92314d67

200021200231 has 4 divisors (see below), whose sum is σ = 200049178464. Its totient is φ = 199993222000.

The previous prime is 200021200207. The next prime is 200021200241. The reversal of 200021200231 is 132002120002.

200021200231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 200021200231 - 211 = 200021198183 is a prime.

It is a super-2 number, since 2×2000212002312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021200241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13978390 + ... + 13992691.

It is an arithmetic number, because the mean of its divisors is an integer number (50012294616).

Almost surely, 2200021200231 is an apocalyptic number.

200021200231 is a deficient number, since it is larger than the sum of its proper divisors (27978233).

200021200231 is an equidigital number, since it uses as much as digits as its factorization.

200021200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27978232.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 200021200231 its reverse (132002120002), we get a palindrome (332023320233).

The spelling of 200021200231 in words is "two hundred billion, twenty-one million, two hundred thousand, two hundred thirty-one".

Divisors: 1 7151 27971081 200021200231