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1013544331 = 4722794999
BaseRepresentation
bin111100011010010…
…111010110001011
32121122011101102221
4330122113112023
54033431404311
6244323434511
734054661512
oct7432272613
92548141387
101013544331
11480134948
12243525a37
13131ca0097
1498875679
155dea9671
hex3c69758b

1013544331 has 8 divisors (see below), whose sum is σ = 1039680000. Its totient is φ = 987599208.

The previous prime is 1013544283. The next prime is 1013544373. The reversal of 1013544331 is 1334453101.

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 1013544331 - 29 = 1013543819 is a prime.

It is a super-2 number, since 2×10135443312 = 2054544221804475122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013544296 and 1013544305.

It is not an unprimeable number, because it can be changed into a prime (1013544391) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36831 + ... + 58168.

It is an arithmetic number, because the mean of its divisors is an integer number (129960000).

Almost surely, 21013544331 is an apocalyptic number.

1013544331 is a deficient number, since it is larger than the sum of its proper divisors (26135669).

1013544331 is an equidigital number, since it uses as much as digits as its factorization.

1013544331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95273.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1013544331 is about 31836.2110025675. The cubic root of 1013544331 is about 1004.4945457934.

Adding to 1013544331 its reverse (1334453101), we get a palindrome (2347997432).

The spelling of 1013544331 in words is "one billion, thirteen million, five hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 47 227 10669 94999 4464953 21564773 1013544331