Search a number
-
+
140565103 = 720080729
BaseRepresentation
bin10000110000011…
…01101001101111
3100210111110001221
420120031221233
5241441040403
621540444211
73324532540
oct1030155157
9323443057
10140565103
1172388708
123b0a9667
1323177623
14149504c7
15c518dbd
hex860da6f

140565103 has 4 divisors (see below), whose sum is σ = 160645840. Its totient is φ = 120484368.

The previous prime is 140565079. The next prime is 140565119. The reversal of 140565103 is 301565041.

140565103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301565041 = 793817279.

It is a cyclic number.

It is not a de Polignac number, because 140565103 - 217 = 140434031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140565133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10040358 + ... + 10040371.

It is an arithmetic number, because the mean of its divisors is an integer number (40161460).

Almost surely, 2140565103 is an apocalyptic number.

140565103 is a deficient number, since it is larger than the sum of its proper divisors (20080737).

140565103 is an equidigital number, since it uses as much as digits as its factorization.

140565103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20080736.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 140565103 is about 11856.0154773853. The cubic root of 140565103 is about 519.9471137043.

The spelling of 140565103 in words is "one hundred forty million, five hundred sixty-five thousand, one hundred three".

Divisors: 1 7 20080729 140565103