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1320100013 = 11322352387
BaseRepresentation
bin100111010101111…
…0010000010101101
310102000000000210002
41032223302002231
510200421200023
6334554154045
744466444041
oct11653620255
93360000702
101320100013
11618186751
1230a122925
13180654a8b
14c7474021
157ad60b28
hex4eaf20ad

1320100013 has 8 divisors (see below), whose sum is σ = 1337779968. Its totient is φ = 1302525504.

The previous prime is 1320100003. The next prime is 1320100021. The reversal of 1320100013 is 3100010231.

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 1320100013 - 28 = 1320099757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320099967 and 1320100003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320100003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995 + ... + 51392.

It is an arithmetic number, because the mean of its divisors is an integer number (167222496).

Almost surely, 21320100013 is an apocalyptic number.

It is an amenable number.

1320100013 is a deficient number, since it is larger than the sum of its proper divisors (17679955).

1320100013 is a wasteful number, since it uses less digits than its factorization.

1320100013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52723.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1320100013 is about 36333.1806067126. The cubic root of 1320100013 is about 1096.9890144312.

Adding to 1320100013 its reverse (3100010231), we get a palindrome (4420110244).

The spelling of 1320100013 in words is "one billion, three hundred twenty million, one hundred thousand, thirteen".

Divisors: 1 113 223 25199 52387 5919731 11682301 1320100013