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1316328471 = 321391052221
BaseRepresentation
bin100111001110101…
…1001010000010111
310101201220102012100
41032131121100113
510143440002341
6334341253143
744422415223
oct11635312027
93351812170
101316328471
11616040077
12308a041b3
1317c9341b3
14c6b71783
157a8683b6
hex4e759417

1316328471 has 12 divisors (see below), whose sum is σ = 1915044040. Its totient is φ = 871238160.

The previous prime is 1316328449. The next prime is 1316328551. The reversal of 1316328471 is 1748236131.

It is a happy number.

1316328471 is a `hidden beast` number, since 1 + 3 + 163 + 28 + 471 = 666.

It is not a de Polignac number, because 1316328471 - 25 = 1316328439 is a prime.

It is a super-3 number, since 3×13163284713 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316328271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524860 + ... + 527361.

Almost surely, 21316328471 is an apocalyptic number.

1316328471 is a deficient number, since it is larger than the sum of its proper divisors (598715569).

1316328471 is a wasteful number, since it uses less digits than its factorization.

1316328471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052366 (or 1052363 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1316328471 is about 36281.2413100765. The cubic root of 1316328471 is about 1095.9433142291.

The spelling of 1316328471 in words is "one billion, three hundred sixteen million, three hundred twenty-eight thousand, four hundred seventy-one".

Divisors: 1 3 9 139 417 1251 1052221 3156663 9469989 146258719 438776157 1316328471