Search a number
201031010144 = 2511355594859
BaseRepresentation
bin1011101100111001100…
…0011100011101100000
3201012220012022102112022
42323032120130131200
511243202414311034
6232204040121012
720344510251326
oct2731630343540
9635805272468
10201031010144
11782908453a8
1232b64a66168
1315c59ac6053
149a30dc1d16
155368c2db2e
hex2ece61c760

201031010144 has 24 divisors (see below), whose sum is σ = 399282284520. Its totient is φ = 99625985536.

The previous prime is 201031010107. The next prime is 201031010161. The reversal of 201031010144 is 441010130102.

Adding to 201031010144 its reverse (441010130102), we get a palindrome (642041140246).

It is a happy number.

201031010144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 27793814 + ... + 27801045.

It is an arithmetic number, because the mean of its divisors is an integer number (16636761855).

Almost surely, 2201031010144 is an apocalyptic number.

It is an amenable number.

201031010144 is a deficient number, since it is larger than the sum of its proper divisors (198251274376).

201031010144 is a wasteful number, since it uses less digits than its factorization.

201031010144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55594982 (or 55594974 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The spelling of 201031010144 in words is "two hundred one billion, thirty-one million, ten thousand, one hundred forty-four".