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1008080051 = 1191643641
BaseRepresentation
bin111100000101100…
…001010010110011
32121020212202212012
4330011201102303
54031032030201
6244010353135
733660352616
oct7405412263
92536782765
101008080051
11478042510
1224172b7ab
13130b08b94
1497c5217d
155d77a5bb
hex3c1614b3

1008080051 has 4 divisors (see below), whose sum is σ = 1099723704. Its totient is φ = 916436400.

The previous prime is 1008080033. The next prime is 1008080137. The reversal of 1008080051 is 1500808001.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-1008080051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1008079999 and 1008080026.

It is not an unprimeable number, because it can be changed into a prime (1008080011) 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, 45821810 + ... + 45821831.

It is an arithmetic number, because the mean of its divisors is an integer number (274930926).

Almost surely, 21008080051 is an apocalyptic number.

1008080051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1008080051 is a deficient number, since it is larger than the sum of its proper divisors (91643653).

1008080051 is an equidigital number, since it uses as much as digits as its factorization.

1008080051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91643652.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 1008080051 is about 31750.2763924978. The cubic root of 1008080051 is about 1002.6861285862.

Adding to 1008080051 its reverse (1500808001), we get a palindrome (2508888052).

The spelling of 1008080051 in words is "one billion, eight million, eighty thousand, fifty-one".

Divisors: 1 11 91643641 1008080051