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1013112445 = 5239384673
BaseRepresentation
bin111100011000101…
…101111001111101
32121121100110000011
4330120231321331
54033324044240
6244310303221
734051212412
oct7430557175
92547313004
101013112445
1147a96a414
12243357b11
13131b7b627
14987a2109
155de216ea
hex3c62de7d

1013112445 has 8 divisors (see below), whose sum is σ = 1216257336. Its totient is φ = 810141696.

The previous prime is 1013112439. The next prime is 1013112521. The reversal of 1013112445 is 5442113101.

It can be written as a sum of positive squares in 4 ways, for example, as 51926436 + 961186009 = 7206^2 + 31003^2 .

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 1013112445 - 25 = 1013112413 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30372 + ... + 54301.

It is an arithmetic number, because the mean of its divisors is an integer number (152032167).

Almost surely, 21013112445 is an apocalyptic number.

It is an amenable number.

1013112445 is a deficient number, since it is larger than the sum of its proper divisors (203144891).

1013112445 is an equidigital number, since it uses as much as digits as its factorization.

1013112445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87071.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1013112445 is about 31829.4273432621. The cubic root of 1013112445 is about 1004.3518489382.

Adding to 1013112445 its reverse (5442113101), we get a palindrome (6455225546).

The spelling of 1013112445 in words is "one billion, thirteen million, one hundred twelve thousand, four hundred forty-five".

Divisors: 1 5 2393 11965 84673 423365 202622489 1013112445