Search a number
-
+
1318070306205 = 32583352897003
BaseRepresentation
bin10011001011100011000…
…111001100010110011101
311200000011120211010020100
4103023203013030112131
5133043401444244310
62445302501011313
7164141003514012
oct23134307142635
94600146733210
101318070306205
11468a99364754
1219354b0b3b39
13973a7a72a13
1447b1b477709
1524445569ec0
hex132e31cc59d

1318070306205 has 24 divisors (see below), whose sum is σ = 2312181170208. Its totient is φ = 694501299936.

The previous prime is 1318070306197. The next prime is 1318070306207. The reversal of 1318070306205 is 5026030708131.

1318070306205 is a `hidden beast` number, since 1 + 3 + 1 + 80 + 70 + 306 + 205 = 666.

It is not a de Polignac number, because 1318070306205 - 23 = 1318070306197 is a prime.

It is a super-3 number, since 3×13180703062053 (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1318070306205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318070306207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176444767 + ... + 176452236.

It is an arithmetic number, because the mean of its divisors is an integer number (96340882092).

Almost surely, 21318070306205 is an apocalyptic number.

1318070306205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1318070306205 is a deficient number, since it is larger than the sum of its proper divisors (994110864003).

1318070306205 is a wasteful number, since it uses less digits than its factorization.

1318070306205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352897097 (or 352897094 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 1318070306205 in words is "one trillion, three hundred eighteen billion, seventy million, three hundred six thousand, two hundred five".

Divisors: 1 3 5 9 15 45 83 249 415 747 1245 3735 352897003 1058691009 1764485015 3176073027 5293455045 15880365135 29290451249 87871353747 146452256245 263614061241 439356768735 1318070306205