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1331500207 = 79149113117
BaseRepresentation
bin100111101011101…
…0001010010101111
310102210110012220111
41033113101102233
510211331001312
6340042400451
744665364542
oct11727212257
93383405814
101331500207
116236628a4
12311b00127
13182b16a5b
14c8ba0859
157bd638a7
hex4f5d14af

1331500207 has 8 divisors (see below), whose sum is σ = 1357416000. Its totient is φ = 1305811104.

The previous prime is 1331500139. The next prime is 1331500213. The reversal of 1331500207 is 7020051331.

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 1331500207 - 211 = 1331498159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331500007) 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, 44788 + ... + 68329.

It is an arithmetic number, because the mean of its divisors is an integer number (169677000).

Almost surely, 21331500207 is an apocalyptic number.

1331500207 is a deficient number, since it is larger than the sum of its proper divisors (25915793).

1331500207 is a wasteful number, since it uses less digits than its factorization.

1331500207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113345.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 1331500207 is about 36489.7274174527. The cubic root of 1331500207 is about 1100.1377808131.

Adding to 1331500207 its reverse (7020051331), we get a palindrome (8351551538).

The spelling of 1331500207 in words is "one billion, three hundred thirty-one million, five hundred thousand, two hundred seven".

Divisors: 1 79 149 11771 113117 8936243 16854433 1331500207