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201044442031 = 2348017182041
BaseRepresentation
bin1011101100111100101…
…1101011101110101111
3201012221010120211121121
42323033023223232233
511243214334121111
6232205240041411
720345032363336
oct2731713535657
9635833524547
10201044442031
1178298389a34
1232b69463267
1315c5c819a04
149a32abad1d
155369ed3871
hex2ecf2ebbaf

201044442031 has 8 divisors (see below), whose sum is σ = 209791026144. Its totient is φ = 192298318080.

The previous prime is 201044442029. The next prime is 201044442041. The reversal of 201044442031 is 130244440102.

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

It is a cyclic number.

It is not a de Polignac number, because 201044442031 - 21 = 201044442029 is a prime.

It is a super-2 number, since 2×2010444420312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201044441987 and 201044442005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201044442041) 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, 1013371 + ... + 1195411.

It is an arithmetic number, because the mean of its divisors is an integer number (26223878268).

Almost surely, 2201044442031 is an apocalyptic number.

201044442031 is a deficient number, since it is larger than the sum of its proper divisors (8746584113).

201044442031 is a wasteful number, since it uses less digits than its factorization.

201044442031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230081.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 201044442031 its reverse (130244440102), we get a palindrome (331288882133).

The spelling of 201044442031 in words is "two hundred one billion, forty-four million, four hundred forty-two thousand, thirty-one".

Divisors: 1 23 48017 182041 1104391 4186943 8741062697 201044442031