Search a number
-
+
1373140808 = 231313203277
BaseRepresentation
bin101000111011000…
…0111011101001000
310112200210210001222
41101312013131020
510303011001213
6344131101212
746012334654
oct12166073510
93480723058
101373140808
11645114016
12323a41808
1318b636270
14d051da64
158083b808
hex51d87748

1373140808 has 16 divisors (see below), whose sum is σ = 2772688380. Its totient is φ = 633757248.

The previous prime is 1373140777. The next prime is 1373140837. The reversal of 1373140808 is 8080413731.

It can be written as a sum of positive squares in 2 ways, for example, as 1168135684 + 205005124 = 34178^2 + 14318^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6601535 + ... + 6601742.

Almost surely, 21373140808 is an apocalyptic number.

It is an amenable number.

1373140808 is an abundant number, since it is smaller than the sum of its proper divisors (1399547572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373140808 is a wasteful number, since it uses less digits than its factorization.

1373140808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13203296 (or 13203292 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1373140808 is about 37055.9146156184. The cubic root of 1373140808 is about 1111.4886306173.

The spelling of 1373140808 in words is "one billion, three hundred seventy-three million, one hundred forty thousand, eight hundred eight".

Divisors: 1 2 4 8 13 26 52 104 13203277 26406554 52813108 105626216 171642601 343285202 686570404 1373140808