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201033213 = 3431558397
BaseRepresentation
bin10111111101110…
…00010111111101
3112000021112201120
423332320113331
5402431030323
631540501153
74660516443
oct1376702775
9460245646
10201033213
11a3529257
12573aa7b9
1332859684
141c9b0b93
15129b05e3
hexbfb85fd

201033213 has 8 divisors (see below), whose sum is σ = 274278048. Its totient is φ = 130905264.

The previous prime is 201033197. The next prime is 201033223. The reversal of 201033213 is 312330102.

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

It is not a de Polignac number, because 201033213 - 24 = 201033197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201033192 and 201033201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201033223) 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, 779070 + ... + 779327.

It is an arithmetic number, because the mean of its divisors is an integer number (34284756).

Almost surely, 2201033213 is an apocalyptic number.

It is an amenable number.

201033213 is a deficient number, since it is larger than the sum of its proper divisors (73244835).

201033213 is a wasteful number, since it uses less digits than its factorization.

201033213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558443.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 201033213 is about 14178.6181625714. The cubic root of 201033213 is about 585.8088628301.

Adding to 201033213 its reverse (312330102), we get a palindrome (513363315).

The spelling of 201033213 in words is "two hundred one million, thirty-three thousand, two hundred thirteen".

Divisors: 1 3 43 129 1558397 4675191 67011071 201033213