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1320311201 = 11149805559
BaseRepresentation
bin100111010110010…
…0101100110100001
310102000101202110212
41032230211212201
510200444424301
6335002503505
744501313536
oct11654454641
93360352425
101320311201
11618310390
1230a204b95
131806c9c41
14c74cad8d
157ada34bb
hex4eb259a1

1320311201 has 8 divisors (see below), whose sum is σ = 1450008000. Its totient is φ = 1192225840.

The previous prime is 1320311183. The next prime is 1320311203. The reversal of 1320311201 is 1021130231.

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 1320311201 - 210 = 1320310177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320311203) 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, 401141 + ... + 404418.

It is an arithmetic number, because the mean of its divisors is an integer number (181251000).

Almost surely, 21320311201 is an apocalyptic number.

1320311201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1320311201 is a deficient number, since it is larger than the sum of its proper divisors (129696799).

1320311201 is a wasteful number, since it uses less digits than its factorization.

1320311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805719.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1320311201 is about 36336.0867595838. The cubic root of 1320311201 is about 1097.0475096363.

Adding to 1320311201 its reverse (1021130231), we get a palindrome (2341441432).

The spelling of 1320311201 in words is "one billion, three hundred twenty million, three hundred eleven thousand, two hundred one".

Divisors: 1 11 149 1639 805559 8861149 120028291 1320311201