Search a number
-
+
10340140809 = 317202747859
BaseRepresentation
bin10011010000101001…
…00000011100001001
3222200121210120121010
421220110200130021
5132134034001214
64430013034133
7514144514055
oct115024403411
928617716533
1010340140809
114426815919
122006a85949
13c8a300c1b
147013c4c65
15407b9a659
hex268520709

10340140809 has 8 divisors (see below), whose sum is σ = 14597845920. Its totient is φ = 6487931456.

The previous prime is 10340140781. The next prime is 10340140817. The reversal of 10340140809 is 90804104301.

It is a happy number.

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 10340140809 - 213 = 10340132617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10340140829) 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, 101373879 + ... + 101373980.

It is an arithmetic number, because the mean of its divisors is an integer number (1824730740).

Almost surely, 210340140809 is an apocalyptic number.

It is an amenable number.

10340140809 is a deficient number, since it is larger than the sum of its proper divisors (4257705111).

10340140809 is a wasteful number, since it uses less digits than its factorization.

10340140809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202747879.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 10340140809 in words is "ten billion, three hundred forty million, one hundred forty thousand, eight hundred nine".

Divisors: 1 3 17 51 202747859 608243577 3446713603 10340140809