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1040302013 = 6591578607
BaseRepresentation
bin111110000000011…
…011111110111101
32200111111211002012
4332000123332331
54112304131023
6251121141005
734531264322
oct7600337675
92614454065
101040302013
11494250333
1225048a765
131376ab32a
149c23cb49
15614e2978
hex3e01bfbd

1040302013 has 4 divisors (see below), whose sum is σ = 1041881280. Its totient is φ = 1038722748.

The previous prime is 1040302009. The next prime is 1040302033. The reversal of 1040302013 is 3102030401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1040302013 - 22 = 1040302009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040302033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 788645 + ... + 789962.

It is an arithmetic number, because the mean of its divisors is an integer number (260470320).

Almost surely, 21040302013 is an apocalyptic number.

It is an amenable number.

1040302013 is a deficient number, since it is larger than the sum of its proper divisors (1579267).

1040302013 is an equidigital number, since it uses as much as digits as its factorization.

1040302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579266.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1040302013 is about 32253.7131660837. The cubic root of 1040302013 is about 1013.2574671844.

Adding to 1040302013 its reverse (3102030401), we get a palindrome (4142332414).

The spelling of 1040302013 in words is "one billion, forty million, three hundred two thousand, thirteen".

Divisors: 1 659 1578607 1040302013