Search a number
-
+
1312916061 = 323312112909
BaseRepresentation
bin100111001000001…
…1000001001011101
310101111111001020210
41032100120021131
510142101303221
6334140203033
744351413422
oct11620301135
93344431223
101312916061
1161411a2a6
12307839479
1317c00ac12
14c6523d49
157a3e2276
hex4e41825d

1312916061 has 32 divisors (see below), whose sum is σ = 1895178240. Its totient is φ = 806097600.

The previous prime is 1312916051. The next prime is 1312916117. The reversal of 1312916061 is 1606192131.

It is not a de Polignac number, because 1312916061 - 26 = 1312915997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312916041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449875 + ... + 452783.

It is an arithmetic number, because the mean of its divisors is an integer number (59224320).

Almost surely, 21312916061 is an apocalyptic number.

It is an amenable number.

1312916061 is a deficient number, since it is larger than the sum of its proper divisors (582262179).

1312916061 is a wasteful number, since it uses less digits than its factorization.

1312916061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1312916061 is about 36234.1835978127. The cubic root of 1312916061 is about 1094.9954646296.

It can be divided in two parts, 131 and 2916061, that added together give a palindrome (2916192).

The spelling of 1312916061 in words is "one billion, three hundred twelve million, nine hundred sixteen thousand, sixty-one".

Divisors: 1 3 23 31 69 93 211 633 713 2139 2909 4853 6541 8727 14559 19623 66907 90179 150443 200721 270537 451329 613799 1841397 2074117 6222351 14117377 19027769 42352131 57083307 437638687 1312916061