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201330312133 = 809892485897
BaseRepresentation
bin1011101110000000111…
…0001100001111000101
3201020200001111112200011
42323200032030033011
511244311024442013
6232253451150221
720355103263016
oct2734016141705
9636601445604
10201330312133
1178424792415
1233029145371
1315ca6b0b212
149a5ca5300d
155385150c3d
hex2ee038c3c5

201330312133 has 4 divisors (see below), whose sum is σ = 201332879020. Its totient is φ = 201327745248.

The previous prime is 201330312121. The next prime is 201330312149. The reversal of 201330312133 is 331213033102.

Adding to 201330312133 its reverse (331213033102), we get a palindrome (532543345235).

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

It can be written as a sum of positive squares in 2 ways, for example, as 149659112164 + 51671199969 = 386858^2 + 227313^2 .

It is a cyclic number.

It is not a de Polignac number, because 201330312133 - 221 = 201328214981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201330312173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161960 + ... + 1323937.

It is an arithmetic number, because the mean of its divisors is an integer number (50333219755).

Almost surely, 2201330312133 is an apocalyptic number.

It is an amenable number.

201330312133 is a deficient number, since it is larger than the sum of its proper divisors (2566887).

201330312133 is an equidigital number, since it uses as much as digits as its factorization.

201330312133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566886.

The product of its (nonzero) digits is 972, while the sum is 22.

The spelling of 201330312133 in words is "two hundred one billion, three hundred thirty million, three hundred twelve thousand, one hundred thirty-three".

Divisors: 1 80989 2485897 201330312133