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1206662313 = 3402220771
BaseRepresentation
bin100011111101100…
…0011010010101001
310010002112210111210
41013323003102221
54432401143223
6315422543333
741621313633
oct10773032251
93102483453
101206662313
1156a14728a
12298137b49
13162cb7a8c
14b6385a53
1570e04893
hex47ec34a9

1206662313 has 4 divisors (see below), whose sum is σ = 1608883088. Its totient is φ = 804441540.

The previous prime is 1206662299. The next prime is 1206662323. The reversal of 1206662313 is 3132666021.

1206662313 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 1206662313 - 214 = 1206645929 is a prime.

It is a super-2 number, since 2×12066623132 = 2912067875229019938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206662323) 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, 201110383 + ... + 201110388.

It is an arithmetic number, because the mean of its divisors is an integer number (402220772).

Almost surely, 21206662313 is an apocalyptic number.

It is an amenable number.

1206662313 is a deficient number, since it is larger than the sum of its proper divisors (402220775).

1206662313 is an equidigital number, since it uses as much as digits as its factorization.

1206662313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402220774.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1206662313 is about 34737.0452543103. The cubic root of 1206662313 is about 1064.6215420024.

The spelling of 1206662313 in words is "one billion, two hundred six million, six hundred sixty-two thousand, three hundred thirteen".

Divisors: 1 3 402220771 1206662313