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1206761113 = 7271659919
BaseRepresentation
bin100011111101101…
…1011011010011001
310010002201211001001
41013323123122121
54432412323423
6315425025001
741622204655
oct10773333231
93102654031
101206761113
1156a204538
12298185161
13163020a3c
14b63ada65
1570e23cad
hex47edb699

1206761113 has 4 divisors (see below), whose sum is σ = 1208421760. Its totient is φ = 1205100468.

The previous prime is 1206761093. The next prime is 1206761119. The reversal of 1206761113 is 3111676021.

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 a de Polignac number, because none of the positive numbers 2k-1206761113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206761119) 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, 829233 + ... + 830686.

It is an arithmetic number, because the mean of its divisors is an integer number (302105440).

Almost surely, 21206761113 is an apocalyptic number.

It is an amenable number.

1206761113 is a deficient number, since it is larger than the sum of its proper divisors (1660647).

1206761113 is an equidigital number, since it uses as much as digits as its factorization.

1206761113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660646.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1206761113 is about 34738.4673380965. The cubic root of 1206761113 is about 1064.6505978358.

The spelling of 1206761113 in words is "one billion, two hundred six million, seven hundred sixty-one thousand, one hundred thirteen".

Divisors: 1 727 1659919 1206761113