Search a number
-
+
142205601340 = 22511646389097
BaseRepresentation
bin1000010001110000011…
…1010100011000111100
3111121001112221000222201
42010130013110120330
54312214113220330
6145154531321244
713162662444625
oct2043407243074
9447045830881
10142205601340
115534439a070
1223688450224
131054380504a
146c50526a4c
153a74697eca
hex211c1d463c

142205601340 has 24 divisors (see below), whose sum is σ = 325780105392. Its totient is φ = 51711127680.

The previous prime is 142205601331. The next prime is 142205601397. The reversal of 142205601340 is 43106502241.

It is a junction number, because it is equal to n+sod(n) for n = 142205601299 and 142205601308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323194329 + ... + 323194768.

It is an arithmetic number, because the mean of its divisors is an integer number (13574171058).

Almost surely, 2142205601340 is an apocalyptic number.

142205601340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142205601340 is an abundant number, since it is smaller than the sum of its proper divisors (183574504052).

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

142205601340 is a wasteful number, since it uses less digits than its factorization.

142205601340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646389117 (or 646389115 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Subtracting from 142205601340 its reverse (43106502241), we obtain a palindrome (99099099099).

The spelling of 142205601340 in words is "one hundred forty-two billion, two hundred five million, six hundred one thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 646389097 1292778194 2585556388 3231945485 6463890970 7110280067 12927781940 14220560134 28441120268 35551400335 71102800670 142205601340