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1320102011 = 29311146369
BaseRepresentation
bin100111010101111…
…0010100001111011
310102000000010112002
41032223302201323
510200421231021
6334554211215
744466452624
oct11653624173
93360003462
101320102011
116181881a8
1230a123b0b
13180655967
14c7474a4b
157ad6150b
hex4eaf287b

1320102011 has 8 divisors (see below), whose sum is σ = 1370023200. Its totient is φ = 1270474240.

The previous prime is 1320101987. The next prime is 1320102013. The reversal of 1320102011 is 1102010231.

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 1320102011 - 230 = 246360187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320101983 and 1320102001.

It is not an unprimeable number, because it can be changed into a prime (1320102013) 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, 64166 + ... + 82203.

It is an arithmetic number, because the mean of its divisors is an integer number (171252900).

Almost surely, 21320102011 is an apocalyptic number.

1320102011 is a deficient number, since it is larger than the sum of its proper divisors (49921189).

1320102011 is a wasteful number, since it uses less digits than its factorization.

1320102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146709.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1320102011 is about 36333.2081022307. The cubic root of 1320102011 is about 1096.9895678698.

Adding to 1320102011 its reverse (1102010231), we get a palindrome (2422112242).

The spelling of 1320102011 in words is "one billion, three hundred twenty million, one hundred two thousand, eleven".

Divisors: 1 29 311 9019 146369 4244701 45520759 1320102011