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1013044445 = 57137211271
BaseRepresentation
bin111100011000011…
…101010011011101
32121121012222201122
4330120131103131
54033314410240
6244305020325
734050510230
oct7430352335
92547188648
101013044445
1147a923316
122433246a5
13131b566aa
1498785417
155de0b4b5
hex3c61d4dd

1013044445 has 16 divisors (see below), whose sum is σ = 1399465728. Its totient is φ = 689585280.

The previous prime is 1013044421. The next prime is 1013044469. The reversal of 1013044445 is 5444403101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1013044421) and next prime (1013044469).

It is not a de Polignac number, because 1013044445 - 28 = 1013044189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100841 + ... + 110430.

It is an arithmetic number, because the mean of its divisors is an integer number (87466608).

Almost surely, 21013044445 is an apocalyptic number.

It is an amenable number.

1013044445 is a deficient number, since it is larger than the sum of its proper divisors (386421283).

1013044445 is a wasteful number, since it uses less digits than its factorization.

1013044445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211420.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1013044445 is about 31828.3591314413. The cubic root of 1013044445 is about 1004.3293777722.

Adding to 1013044445 its reverse (5444403101), we get a palindrome (6457447546).

The spelling of 1013044445 in words is "one billion, thirteen million, forty-four thousand, four hundred forty-five".

Divisors: 1 5 7 35 137 685 959 4795 211271 1056355 1478897 7394485 28944127 144720635 202608889 1013044445