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1004202013 = 1853954167
BaseRepresentation
bin111011110110101…
…110100000011101
32120222120202012011
4323312232200131
54024033431023
6243351311221
733612401443
oct7366564035
92528522164
101004202013
11475933921
1224037b511
1313007b999
1497522b93
155d26150d
hex3bdae81d

1004202013 has 4 divisors (see below), whose sum is σ = 1004274720. Its totient is φ = 1004129308.

The previous prime is 1004201999. The next prime is 1004202029. The reversal of 1004202013 is 3102024001.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3102024001 = 17911173191.

It is a cyclic number.

It is not a de Polignac number, because 1004202013 - 29 = 1004201501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004201984 and 1004202002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004202613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8545 + ... + 45622.

It is an arithmetic number, because the mean of its divisors is an integer number (251068680).

Almost surely, 21004202013 is an apocalyptic number.

It is an amenable number.

1004202013 is a deficient number, since it is larger than the sum of its proper divisors (72707).

1004202013 is an equidigital number, since it uses as much as digits as its factorization.

1004202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72706.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1004202013 is about 31689.1466120500. The cubic root of 1004202013 is about 1001.3987136879.

Adding to 1004202013 its reverse (3102024001), we get a palindrome (4106226014).

The spelling of 1004202013 in words is "one billion, four million, two hundred two thousand, thirteen".

Divisors: 1 18539 54167 1004202013