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201044441231 = 2912235668493
BaseRepresentation
bin1011101100111100101…
…1101011100010001111
3201012221010120210111222
42323033023223202033
511243214334104411
6232205240033555
720345032361114
oct2731713534217
9635833523458
10201044441231
1178298389377
1232b694628bb
1315c5c81953a
149a32aba90b
155369ed34db
hex2ecf2eb88f

201044441231 has 8 divisors (see below), whose sum is σ = 208147099680. Its totient is φ = 193953122272.

The previous prime is 201044441161. The next prime is 201044441233. The reversal of 201044441231 is 132144440102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201044441231 is a prime.

It is a super-2 number, since 2×2010444412312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201044441231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201044441233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798780 + ... + 2869713.

It is an arithmetic number, because the mean of its divisors is an integer number (26018387460).

Almost surely, 2201044441231 is an apocalyptic number.

201044441231 is a deficient number, since it is larger than the sum of its proper divisors (7102658449).

201044441231 is a wasteful number, since it uses less digits than its factorization.

201044441231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669745.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 201044441231 its reverse (132144440102), we get a palindrome (333188881333).

The spelling of 201044441231 in words is "two hundred one billion, forty-four million, four hundred forty-one thousand, two hundred thirty-one".

Divisors: 1 29 1223 35467 5668493 164386297 6932566939 201044441231