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1206340051 = 7273163103
BaseRepresentation
bin100011111100111…
…0100100111010011
310010001221102110011
41013321310213103
54432310340201
6315412015351
741615502250
oct10771644723
93101842404
101206340051
11569a47154
12298001557
13162c041a7
14b6300427
1570d8e151
hex47e749d3

1206340051 has 8 divisors (see below), whose sum is σ = 1379201024. Its totient is φ = 1033610760.

The previous prime is 1206340021. The next prime is 1206340067. The reversal of 1206340051 is 1500436021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1206340051 - 213 = 1206331859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206340021) 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, 12435 + ... + 50668.

It is an arithmetic number, because the mean of its divisors is an integer number (172400128).

Almost surely, 21206340051 is an apocalyptic number.

1206340051 is a deficient number, since it is larger than the sum of its proper divisors (172860973).

1206340051 is an equidigital number, since it uses as much as digits as its factorization.

1206340051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65841.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1206340051 is about 34732.4063519935. The cubic root of 1206340051 is about 1064.5267577890.

Adding to 1206340051 its reverse (1500436021), we get a palindrome (2706776072).

The spelling of 1206340051 in words is "one billion, two hundred six million, three hundred forty thousand, fifty-one".

Divisors: 1 7 2731 19117 63103 441721 172334293 1206340051